Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:13455' (ECDSA) to the list of known hosts. 2023/05/17 00:35:33 fuzzer started 2023/05/17 00:35:33 dialing manager at localhost:35573 2023/05/17 00:35:33 checking machine... 2023/05/17 00:35:33 checking revisions... syzkaller login: [ 44.303224] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:35:34 testing simple program... [ 44.379328] cgroup: Unknown subsys name 'net' [ 44.467399] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.576279] audit: type=1400 audit(1684283746.407:6): 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 [ 57.721064] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.722614] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.724517] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.734215] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.735809] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.737329] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.112869] ------------[ cut here ]------------ [ 58.113625] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.115673] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.116850] Modules linked in: [ 58.117268] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.121912] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.122955] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.123595] 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 [ 58.125785] RSP: 0018:ffff88800dd4fc00 EFLAGS: 00010282 [ 58.126466] RAX: 0000000000000000 RBX: ffff88800dcc1440 RCX: 0000000000000000 [ 58.127371] RDX: ffff88800f93d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.128305] RBP: ffff88800dcc1454 R08: 0000000000000001 R09: 0000000000000000 [ 58.129205] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.130093] R13: ffffffff84e223a0 R14: ffff88800dcc1448 R15: ffffffff84d73340 [ 58.130989] FS: 000055555626a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.131995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.132713] CR2: 0000559fda5a4080 CR3: 0000000019cc0000 CR4: 0000000000350ee0 [ 58.133621] Call Trace: [ 58.133981] [ 58.134282] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.134918] ipv4_frags_init_net+0x269/0x440 [ 58.135471] ops_init+0xbb/0x6b0 [ 58.135975] setup_net+0x3d9/0x990 [ 58.136434] ? down_read_killable+0x1d7/0x4e0 [ 58.137039] ? __pfx_setup_net+0x10/0x10 [ 58.137548] ? copy_net_ns+0x17c/0x770 [ 58.138094] copy_net_ns+0x321/0x770 [ 58.138571] create_new_namespaces+0x3f6/0xb30 [ 58.139190] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.139852] ksys_unshare+0x44d/0x8e0 [ 58.140352] ? __pfx_ksys_unshare+0x10/0x10 [ 58.140933] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.141651] __x64_sys_unshare+0x31/0x40 [ 58.142191] do_syscall_64+0x3f/0x90 [ 58.142670] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.143345] RIP: 0033:0x7fd4619180d7 [ 58.143870] 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 [ 58.146060] RSP: 002b:00007ffffa7647e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.147031] RAX: ffffffffffffffda RBX: 00007ffffa764e28 RCX: 00007fd4619180d7 [ 58.147959] RDX: 00007fd46198241f RSI: 00007ffffa764780 RDI: 0000000040000000 [ 58.148869] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffa764590 [ 58.149744] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd461a2abf0 [ 58.150647] R13: 00007ffffa7648c0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.151582] [ 58.151933] irq event stamp: 7745 [ 58.152380] hardirqs last enabled at (7755): [] __up_console_sem+0x78/0x80 [ 58.153442] hardirqs last disabled at (7766): [] __up_console_sem+0x5d/0x80 [ 58.154505] softirqs last enabled at (7218): [] irq_exit_rcu+0x93/0xc0 [ 58.155528] softirqs last disabled at (7209): [] irq_exit_rcu+0x93/0xc0 [ 58.156572] ---[ end trace 0000000000000000 ]--- [ 58.162385] ------------[ cut here ]------------ [ 58.162998] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.164751] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.165808] Modules linked in: [ 58.166237] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.167377] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.168419] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.169121] 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 [ 58.171375] RSP: 0018:ffff88800dd4fc00 EFLAGS: 00010282 [ 58.172109] RAX: 0000000000000000 RBX: ffff88800c520840 RCX: 0000000000000000 [ 58.173012] RDX: ffff88800f93d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.173907] RBP: ffff88800c520854 R08: 0000000000000001 R09: 0000000000000000 [ 58.174772] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.175657] R13: ffffffff84e223a0 R14: ffff88800c520848 R15: ffffffff84da62e0 [ 58.176563] FS: 000055555626a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.177569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.178320] CR2: 0000559fda5a4080 CR3: 0000000019cc0000 CR4: 0000000000350ee0 [ 58.179221] Call Trace: [ 58.179545] [ 58.179898] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.180523] ipv6_frags_init_net+0x206/0x3c0 [ 58.181117] ops_init+0xbb/0x6b0 [ 58.181561] setup_net+0x3d9/0x990 [ 58.182055] ? down_read_killable+0x1d7/0x4e0 [ 58.182625] ? __pfx_setup_net+0x10/0x10 [ 58.183176] ? copy_net_ns+0x17c/0x770 [ 58.183692] copy_net_ns+0x321/0x770 [ 58.184225] create_new_namespaces+0x3f6/0xb30 [ 58.184850] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.185476] ksys_unshare+0x44d/0x8e0 [ 58.186006] ? __pfx_ksys_unshare+0x10/0x10 [ 58.186558] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.187318] __x64_sys_unshare+0x31/0x40 [ 58.187878] do_syscall_64+0x3f/0x90 [ 58.188363] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.189037] RIP: 0033:0x7fd4619180d7 [ 58.189511] 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 [ 58.191693] RSP: 002b:00007ffffa7647e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.192663] RAX: ffffffffffffffda RBX: 00007ffffa764e28 RCX: 00007fd4619180d7 [ 58.193561] RDX: 00007fd46198241f RSI: 00007ffffa764780 RDI: 0000000040000000 [ 58.194447] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffa764590 [ 58.195339] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd461a2abf0 [ 58.196248] R13: 00007ffffa7648c0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.197168] [ 58.197469] irq event stamp: 9739 [ 58.197925] hardirqs last enabled at (9751): [] __up_console_sem+0x78/0x80 [ 58.198985] hardirqs last disabled at (9762): [] __up_console_sem+0x5d/0x80 [ 58.200060] softirqs last enabled at (9300): [] irq_exit_rcu+0x93/0xc0 [ 58.201082] softirqs last disabled at (9295): [] irq_exit_rcu+0x93/0xc0 [ 58.202105] ---[ end trace 0000000000000000 ]--- [ 58.203446] ------------[ cut here ]------------ [ 58.204079] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.205996] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.207053] Modules linked in: [ 58.207457] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.208619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.209626] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.210297] 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 [ 58.212484] RSP: 0018:ffff88800dd4fbf0 EFLAGS: 00010286 [ 58.213166] RAX: 0000000000000000 RBX: ffff88800c520040 RCX: 0000000000000000 [ 58.214065] RDX: ffff88800f93d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.214955] RBP: ffff88800c520054 R08: 0000000000000001 R09: 0000000000000000 [ 58.215885] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.216743] R13: ffffffff84e223a0 R14: ffff88800c520048 R15: ffffffff84daf020 [ 58.217645] FS: 000055555626a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.218644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.219383] CR2: 0000559fda5a4080 CR3: 0000000019cc0000 CR4: 0000000000350ee0 [ 58.220286] Call Trace: [ 58.220605] [ 58.220941] nf_ct_net_init+0x224/0x3d0 [ 58.221457] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.222070] ops_init+0xbb/0x6b0 [ 58.222523] setup_net+0x3d9/0x990 [ 58.223008] ? down_read_killable+0x1d7/0x4e0 [ 58.223583] ? __pfx_setup_net+0x10/0x10 [ 58.224144] ? copy_net_ns+0x17c/0x770 [ 58.224656] copy_net_ns+0x321/0x770 [ 58.225161] create_new_namespaces+0x3f6/0xb30 [ 58.225751] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.226397] ksys_unshare+0x44d/0x8e0 [ 58.226927] ? __pfx_ksys_unshare+0x10/0x10 [ 58.227473] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.228233] __x64_sys_unshare+0x31/0x40 [ 58.228766] do_syscall_64+0x3f/0x90 [ 58.229270] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.229954] RIP: 0033:0x7fd4619180d7 [ 58.230425] 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 [ 58.232608] RSP: 002b:00007ffffa7647e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.233552] RAX: ffffffffffffffda RBX: 00007ffffa764e28 RCX: 00007fd4619180d7 [ 58.234447] RDX: 00007fd46198241f RSI: 00007ffffa764780 RDI: 0000000040000000 [ 58.235325] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffa764590 [ 58.236248] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd461a2abf0 [ 58.237139] R13: 00007ffffa7648c0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.238064] [ 58.238369] irq event stamp: 10553 [ 58.238801] hardirqs last enabled at (10563): [] __up_console_sem+0x78/0x80 [ 58.239903] hardirqs last disabled at (10576): [] __up_console_sem+0x5d/0x80 [ 58.240976] softirqs last enabled at (10460): [] irq_exit_rcu+0x93/0xc0 [ 58.242017] softirqs last disabled at (10455): [] irq_exit_rcu+0x93/0xc0 [ 58.243074] ---[ end trace 0000000000000000 ]--- executing program [ 59.808440] Bluetooth: hci0: command 0x0409 tx timeout [ 61.855930] Bluetooth: hci0: command 0x041b tx timeout executing program [ 63.903902] Bluetooth: hci0: command 0x040f tx timeout executing program [ 65.951949] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 00:35:40 Registers: info registers vcpu 0 RAX=0000000000031b89 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=00007f9945fbea80 CR3=000000000c43c000 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=2037343a35333a30302037312079614d XMM01=5d3836323731312e38352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732037 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000063 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800dd4f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000063 R11=0000000000000001 R12=0000000000000063 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 000055555626a400 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=0000559fda5a4080 CR3=0000000019cc0000 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