Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:42342' (ECDSA) to the list of known hosts. 2023/05/17 20:34:11 fuzzer started 2023/05/17 20:34:11 dialing manager at localhost:44319 2023/05/17 20:34:11 checking machine... 2023/05/17 20:34:11 checking revisions... syzkaller login: [ 31.434526] kmemleak: Automatic memory scanning thread ended 2023/05/17 20:34:12 testing simple program... [ 31.500640] cgroup: Unknown subsys name 'net' [ 31.583990] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.572904] audit: type=1400 audit(1684355664.184:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 44.732455] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.734645] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.736241] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.739434] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.742248] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.743482] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.144494] ------------[ cut here ]------------ [ 45.145174] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.147113] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.148174] Modules linked in: [ 45.148592] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.153267] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.154274] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.154939] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 45.157203] RSP: 0018:ffff88801741fc00 EFLAGS: 00010282 [ 45.157911] RAX: 0000000000000000 RBX: ffff88800eebb040 RCX: 0000000000000000 [ 45.158831] RDX: ffff888016f33680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.159733] RBP: ffff88800eebb054 R08: 0000000000000001 R09: 0000000000000000 [ 45.160583] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.161507] R13: ffffffff84e23fe0 R14: ffff88800eebb048 R15: ffffffff84d74dc0 [ 45.162389] FS: 0000555555fea400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.163382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.164109] CR2: 00007f4dd4dfd6f4 CR3: 00000000192a6000 CR4: 0000000000350ee0 [ 45.164991] Call Trace: [ 45.165328] [ 45.165619] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.166262] ipv4_frags_init_net+0x269/0x440 [ 45.166852] ops_init+0xbb/0x6b0 [ 45.167301] setup_net+0x3d9/0x990 [ 45.167782] ? down_read_killable+0x1d7/0x4e0 [ 45.168344] ? __pfx_setup_net+0x10/0x10 [ 45.168891] ? copy_net_ns+0x17c/0x770 [ 45.169416] copy_net_ns+0x321/0x770 [ 45.169927] create_new_namespaces+0x3f6/0xb30 [ 45.170505] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.171147] ksys_unshare+0x44d/0x8e0 [ 45.171634] ? __pfx_ksys_unshare+0x10/0x10 [ 45.172204] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.172930] __x64_sys_unshare+0x31/0x40 [ 45.173446] do_syscall_64+0x3f/0x90 [ 45.173945] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.174578] RIP: 0033:0x7f9aa2d6a0d7 [ 45.175067] 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 [ 45.177216] RSP: 002b:00007fff8c8781b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.178169] RAX: ffffffffffffffda RBX: 00007fff8c8787f8 RCX: 00007f9aa2d6a0d7 [ 45.179051] RDX: 00007f9aa2dd441f RSI: 00007fff8c878150 RDI: 0000000040000000 [ 45.179935] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff8c877f60 [ 45.180824] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9aa2e7cbf0 [ 45.181729] R13: 00007fff8c878290 R14: 0000000000000000 R15: 00000000000000f8 [ 45.182594] [ 45.182920] irq event stamp: 8043 [ 45.183339] hardirqs last enabled at (8053): [] __up_console_sem+0x78/0x80 [ 45.184388] hardirqs last disabled at (8064): [] __up_console_sem+0x5d/0x80 [ 45.185433] softirqs last enabled at (8004): [] irq_exit_rcu+0x93/0xc0 [ 45.186472] softirqs last disabled at (7999): [] irq_exit_rcu+0x93/0xc0 [ 45.187487] ---[ end trace 0000000000000000 ]--- [ 45.192840] ------------[ cut here ]------------ [ 45.193447] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.195200] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.196404] Modules linked in: [ 45.196856] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.198024] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.199032] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.199704] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 45.201901] RSP: 0018:ffff88801741fc00 EFLAGS: 00010282 [ 45.202543] RAX: 0000000000000000 RBX: ffff88800e1c1240 RCX: 0000000000000000 [ 45.203439] RDX: ffff888016f33680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.204319] RBP: ffff88800e1c1254 R08: 0000000000000001 R09: 0000000000000000 [ 45.205210] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.206097] R13: ffffffff84e23fe0 R14: ffff88800e1c1248 R15: ffffffff84da7d60 [ 45.206987] FS: 0000555555fea400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.207970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.208707] CR2: 00007f4dd4dfd6f4 CR3: 00000000192a6000 CR4: 0000000000350ee0 [ 45.209582] Call Trace: [ 45.209949] [ 45.210244] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.210886] ipv6_frags_init_net+0x206/0x3c0 [ 45.211440] ops_init+0xbb/0x6b0 [ 45.211913] setup_net+0x3d9/0x990 [ 45.212394] ? down_read_killable+0x1d7/0x4e0 [ 45.213010] ? __pfx_setup_net+0x10/0x10 [ 45.213536] ? copy_net_ns+0x17c/0x770 [ 45.214075] copy_net_ns+0x321/0x770 [ 45.214556] create_new_namespaces+0x3f6/0xb30 [ 45.215179] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.215837] ksys_unshare+0x44d/0x8e0 [ 45.216342] ? __pfx_ksys_unshare+0x10/0x10 [ 45.216930] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.217714] __x64_sys_unshare+0x31/0x40 [ 45.218233] do_syscall_64+0x3f/0x90 [ 45.218737] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.219376] RIP: 0033:0x7f9aa2d6a0d7 [ 45.219884] 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 [ 45.222075] RSP: 002b:00007fff8c8781b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.223038] RAX: ffffffffffffffda RBX: 00007fff8c8787f8 RCX: 00007f9aa2d6a0d7 [ 45.223930] RDX: 00007f9aa2dd441f RSI: 00007fff8c878150 RDI: 0000000040000000 [ 45.224824] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff8c877f60 [ 45.225740] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9aa2e7cbf0 [ 45.226592] R13: 00007fff8c878290 R14: 0000000000000000 R15: 00000000000000f8 [ 45.227502] [ 45.227826] irq event stamp: 9929 [ 45.228252] hardirqs last enabled at (9939): [] __up_console_sem+0x78/0x80 [ 45.229312] hardirqs last disabled at (9950): [] __up_console_sem+0x5d/0x80 [ 45.230364] softirqs last enabled at (9436): [] irq_exit_rcu+0x93/0xc0 [ 45.231404] softirqs last disabled at (9381): [] irq_exit_rcu+0x93/0xc0 [ 45.232426] ---[ end trace 0000000000000000 ]--- [ 45.233791] ------------[ cut here ]------------ [ 45.234379] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.236237] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.237298] Modules linked in: [ 45.237730] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.238958] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.239992] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.240630] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 45.242845] RSP: 0018:ffff88801741fbf0 EFLAGS: 00010286 [ 45.243514] RAX: 0000000000000000 RBX: ffff88800e1c1a40 RCX: 0000000000000000 [ 45.244442] RDX: ffff888016f33680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.245380] RBP: ffff88800e1c1a54 R08: 0000000000000001 R09: 0000000000000000 [ 45.246314] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.247253] R13: ffffffff84e23fe0 R14: ffff88800e1c1a48 R15: ffffffff84db0aa0 [ 45.248159] FS: 0000555555fea400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.249147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.249879] CR2: 00007f4dd4dfd6f4 CR3: 00000000192a6000 CR4: 0000000000350ee0 [ 45.250749] Call Trace: [ 45.251082] [ 45.251383] nf_ct_net_init+0x224/0x3d0 [ 45.251930] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.252505] ops_init+0xbb/0x6b0 [ 45.252972] setup_net+0x3d9/0x990 [ 45.253464] ? down_read_killable+0x1d7/0x4e0 [ 45.254075] ? __pfx_setup_net+0x10/0x10 [ 45.254591] ? copy_net_ns+0x17c/0x770 [ 45.255119] copy_net_ns+0x321/0x770 [ 45.255605] create_new_namespaces+0x3f6/0xb30 [ 45.256222] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.256869] ksys_unshare+0x44d/0x8e0 [ 45.257377] ? __pfx_ksys_unshare+0x10/0x10 [ 45.257962] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.258691] __x64_sys_unshare+0x31/0x40 [ 45.259216] do_syscall_64+0x3f/0x90 [ 45.259716] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.260359] RIP: 0033:0x7f9aa2d6a0d7 [ 45.260839] 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 [ 45.263005] RSP: 002b:00007fff8c8781b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.263952] RAX: ffffffffffffffda RBX: 00007fff8c8787f8 RCX: 00007f9aa2d6a0d7 [ 45.264846] RDX: 00007f9aa2dd441f RSI: 00007fff8c878150 RDI: 0000000040000000 [ 45.265765] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff8c877f60 [ 45.266618] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9aa2e7cbf0 [ 45.267506] R13: 00007fff8c878290 R14: 0000000000000000 R15: 00000000000000f8 [ 45.268421] [ 45.268758] irq event stamp: 10665 [ 45.269205] hardirqs last enabled at (10675): [] __up_console_sem+0x78/0x80 [ 45.270271] hardirqs last disabled at (10686): [] __up_console_sem+0x5d/0x80 [ 45.271329] softirqs last enabled at (10266): [] irq_exit_rcu+0x93/0xc0 [ 45.272355] softirqs last disabled at (10261): [] irq_exit_rcu+0x93/0xc0 [ 45.273386] ---[ end trace 0000000000000000 ]--- executing program [ 46.765271] Bluetooth: hci0: command 0x0409 tx timeout [ 48.812738] Bluetooth: hci0: command 0x041b tx timeout executing program [ 50.860734] Bluetooth: hci0: command 0x040f tx timeout executing program [ 52.908738] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 20:34:23 Registers: info registers vcpu 0 RAX=0000000000022bb7 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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 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=00007fb0508d0208 CR3=000000000df5e000 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=4f32704643e627a63047861da986dd40 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=e3c134c50806cdf0000000000013c4c8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=0413fbeb396fcab300000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801741f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555555fea400 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=00007f4dd4dfd6f4 CR3=00000000192a6000 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