Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:51924' (ECDSA) to the list of known hosts. 2023/05/16 19:32:16 fuzzer started 2023/05/16 19:32:17 dialing manager at localhost:35573 2023/05/16 19:32:17 checking machine... 2023/05/16 19:32:17 checking revisions... syzkaller login: [ 41.064671] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:32:17 testing simple program... [ 41.139291] cgroup: Unknown subsys name 'net' [ 41.224396] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 52.554242] audit: type=1400 audit(1684265548.807:6): 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 executing program [ 53.689794] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.691230] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.693008] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.695286] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.699151] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.700367] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.078407] ------------[ cut here ]------------ [ 54.079235] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.081336] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.082917] Modules linked in: [ 54.083338] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.088343] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.089542] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.090507] 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 [ 54.093545] RSP: 0018:ffff88801eed7c00 EFLAGS: 00010282 [ 54.094381] RAX: 0000000000000000 RBX: ffff88800eeb3040 RCX: 0000000000000000 [ 54.095647] RDX: ffff8880164551c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.096969] RBP: ffff88800eeb3054 R08: 0000000000000001 R09: 0000000000000000 [ 54.098288] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.099609] R13: ffffffff84e223a0 R14: ffff88800eeb3048 R15: ffffffff84d73340 [ 54.100652] FS: 00005555556b3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.101856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.102692] CR2: 00007f65d14a5260 CR3: 0000000016528000 CR4: 0000000000350ee0 [ 54.103696] Call Trace: [ 54.104079] [ 54.104417] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.105159] ipv4_frags_init_net+0x269/0x440 [ 54.105838] ops_init+0xbb/0x6b0 [ 54.106295] setup_net+0x3d9/0x990 [ 54.106808] ? down_read_killable+0x1d7/0x4e0 [ 54.107388] ? __pfx_setup_net+0x10/0x10 [ 54.107940] ? copy_net_ns+0x17c/0x770 [ 54.108454] copy_net_ns+0x321/0x770 [ 54.108983] create_new_namespaces+0x3f6/0xb30 [ 54.109582] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.110240] ksys_unshare+0x44d/0x8e0 [ 54.110803] ? __pfx_ksys_unshare+0x10/0x10 [ 54.111362] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.112118] __x64_sys_unshare+0x31/0x40 [ 54.112648] do_syscall_64+0x3f/0x90 [ 54.113227] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.113916] RIP: 0033:0x7fec276ad0d7 [ 54.114392] 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 [ 54.116603] RSP: 002b:00007ffd8e6183d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.117562] RAX: ffffffffffffffda RBX: 00007ffd8e618a18 RCX: 00007fec276ad0d7 [ 54.118479] RDX: 00007fec2771741f RSI: 00007ffd8e618370 RDI: 0000000040000000 [ 54.119393] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd8e618180 [ 54.120295] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fec277bfbf0 [ 54.121202] R13: 00007ffd8e6184b0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.122132] [ 54.122440] irq event stamp: 8453 [ 54.122932] hardirqs last enabled at (8465): [] __up_console_sem+0x78/0x80 [ 54.124004] hardirqs last disabled at (8476): [] __up_console_sem+0x5d/0x80 [ 54.125100] softirqs last enabled at (8326): [] irq_exit_rcu+0x93/0xc0 [ 54.126150] softirqs last disabled at (8321): [] irq_exit_rcu+0x93/0xc0 [ 54.127215] ---[ end trace 0000000000000000 ]--- [ 54.133088] ------------[ cut here ]------------ [ 54.133684] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.135776] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.136841] Modules linked in: [ 54.137255] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.138419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.139452] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.140136] 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 [ 54.142306] RSP: 0018:ffff88801eed7c00 EFLAGS: 00010282 [ 54.143043] RAX: 0000000000000000 RBX: ffff88800efe5240 RCX: 0000000000000000 [ 54.143936] RDX: ffff8880164551c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.144842] RBP: ffff88800efe5254 R08: 0000000000000001 R09: 0000000000000000 [ 54.145745] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.146626] R13: ffffffff84e223a0 R14: ffff88800efe5248 R15: ffffffff84da62e0 [ 54.147565] FS: 00005555556b3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.148577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.149354] CR2: 00007f65d14a5260 CR3: 0000000016528000 CR4: 0000000000350ee0 [ 54.150252] Call Trace: [ 54.150585] [ 54.150969] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.151585] ipv6_frags_init_net+0x206/0x3c0 [ 54.152185] ops_init+0xbb/0x6b0 [ 54.152637] setup_net+0x3d9/0x990 [ 54.153123] ? down_read_killable+0x1d7/0x4e0 [ 54.153732] ? __pfx_setup_net+0x10/0x10 [ 54.154250] ? copy_net_ns+0x17c/0x770 [ 54.154810] copy_net_ns+0x321/0x770 [ 54.155301] create_new_namespaces+0x3f6/0xb30 [ 54.155941] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.156571] ksys_unshare+0x44d/0x8e0 [ 54.157099] ? __pfx_ksys_unshare+0x10/0x10 [ 54.157654] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.158400] __x64_sys_unshare+0x31/0x40 [ 54.158988] do_syscall_64+0x3f/0x90 [ 54.159475] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.160160] RIP: 0033:0x7fec276ad0d7 [ 54.160630] 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 [ 54.162847] RSP: 002b:00007ffd8e6183d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.163807] RAX: ffffffffffffffda RBX: 00007ffd8e618a18 RCX: 00007fec276ad0d7 [ 54.164666] RDX: 00007fec2771741f RSI: 00007ffd8e618370 RDI: 0000000040000000 [ 54.165564] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd8e618180 [ 54.166466] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fec277bfbf0 [ 54.167377] R13: 00007ffd8e6184b0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.168296] [ 54.168609] irq event stamp: 10513 [ 54.169103] hardirqs last enabled at (10525): [] __up_console_sem+0x78/0x80 [ 54.170179] hardirqs last disabled at (10536): [] __up_console_sem+0x5d/0x80 [ 54.171283] softirqs last enabled at (10010): [] irq_exit_rcu+0x93/0xc0 [ 54.172342] softirqs last disabled at (9987): [] irq_exit_rcu+0x93/0xc0 [ 54.173383] ---[ end trace 0000000000000000 ]--- [ 54.174799] ------------[ cut here ]------------ [ 54.175389] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.177270] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.178332] Modules linked in: [ 54.178798] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.179978] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.181016] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.181677] 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 [ 54.183893] RSP: 0018:ffff88801eed7bf0 EFLAGS: 00010286 [ 54.184546] RAX: 0000000000000000 RBX: ffff88800efe5a40 RCX: 0000000000000000 [ 54.185461] RDX: ffff8880164551c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.186360] RBP: ffff88800efe5a54 R08: 0000000000000001 R09: 0000000000000000 [ 54.187270] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.188163] R13: ffffffff84e223a0 R14: ffff88800efe5a48 R15: ffffffff84daf020 [ 54.189071] FS: 00005555556b3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.190077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.190859] CR2: 00007f65d14a5260 CR3: 0000000016528000 CR4: 0000000000350ee0 [ 54.191758] Call Trace: [ 54.192096] [ 54.192405] nf_ct_net_init+0x224/0x3d0 [ 54.192969] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.193545] ops_init+0xbb/0x6b0 [ 54.194045] setup_net+0x3d9/0x990 [ 54.194506] ? down_read_killable+0x1d7/0x4e0 [ 54.195124] ? __pfx_setup_net+0x10/0x10 [ 54.195637] ? copy_net_ns+0x17c/0x770 [ 54.196193] copy_net_ns+0x321/0x770 [ 54.196686] create_new_namespaces+0x3f6/0xb30 [ 54.197319] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.197995] ksys_unshare+0x44d/0x8e0 [ 54.198506] ? __pfx_ksys_unshare+0x10/0x10 [ 54.199125] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.199874] __x64_sys_unshare+0x31/0x40 [ 54.200398] do_syscall_64+0x3f/0x90 [ 54.200916] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.201562] RIP: 0033:0x7fec276ad0d7 [ 54.202079] 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 [ 54.204276] RSP: 002b:00007ffd8e6183d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.205233] RAX: ffffffffffffffda RBX: 00007ffd8e618a18 RCX: 00007fec276ad0d7 [ 54.206126] RDX: 00007fec2771741f RSI: 00007ffd8e618370 RDI: 0000000040000000 [ 54.207070] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd8e618180 [ 54.207959] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fec277bfbf0 [ 54.208860] R13: 00007ffd8e6184b0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.209774] [ 54.210095] irq event stamp: 11317 [ 54.210529] hardirqs last enabled at (11327): [] __up_console_sem+0x78/0x80 [ 54.211640] hardirqs last disabled at (11338): [] __up_console_sem+0x5d/0x80 [ 54.212734] softirqs last enabled at (11100): [] irq_exit_rcu+0x93/0xc0 [ 54.213797] softirqs last disabled at (11095): [] irq_exit_rcu+0x93/0xc0 [ 54.214866] ---[ end trace 0000000000000000 ]--- [ 55.713430] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.761174] Bluetooth: hci0: command 0x041b tx timeout executing program [ 59.808763] Bluetooth: hci0: command 0x040f tx timeout [ 61.856837] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:32:25 Registers: info registers vcpu 0 RAX=000000000001e483 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=00007f65d1452ce0 CR3=000000000c796000 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=2030333a32333a39312036312079614d XMM01=5d3533323937302e34352020205b203a XMM02=657268745f776f6c5f6761726670692f XMM03=6c61626f6c67206c656e72656b206f74 XMM04=6f6c5f676172667069203a6174616420 XMM05=2073746e696f702061746164203a6873 XMM06=347670692f74656e206c746373797320 XMM07=6c656e72656b2072656c6c616b7a7973 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=ffff88801eed75f0 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 00005555556b3400 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=00007f65d14a5260 CR3=0000000016528000 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