Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:23893' (ECDSA) to the list of known hosts. 2023/05/16 15:57:24 fuzzer started 2023/05/16 15:57:25 dialing manager at localhost:35573 2023/05/16 15:57:25 checking machine... 2023/05/16 15:57:25 checking revisions... syzkaller login: [ 33.863137] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:57:25 testing simple program... [ 33.930152] cgroup: Unknown subsys name 'net' [ 34.016853] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 46.117038] audit: type=1400 audit(1684252657.757:6): 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 [ 47.239795] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 47.242857] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 47.245319] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 47.248582] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 47.251720] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 47.253387] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 47.642569] ------------[ cut here ]------------ [ 47.643365] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 47.645331] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.646618] Modules linked in: [ 47.647100] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.652059] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.653092] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.653766] 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 [ 47.655954] RSP: 0018:ffff88801a26fc00 EFLAGS: 00010282 [ 47.656650] RAX: 0000000000000000 RBX: ffff888009788840 RCX: 0000000000000000 [ 47.657581] RDX: ffff888019e0d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.658510] RBP: ffff888009788854 R08: 0000000000000001 R09: 0000000000000000 [ 47.659410] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 47.660317] R13: ffffffff84e223a0 R14: ffff888009788848 R15: ffffffff84d73340 [ 47.661270] FS: 0000555556128400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 47.662292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.663018] CR2: 00007f922f9296f4 CR3: 000000001a242000 CR4: 0000000000350ef0 [ 47.663913] Call Trace: [ 47.664279] [ 47.664589] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 47.665257] ipv4_frags_init_net+0x269/0x440 [ 47.665822] ops_init+0xbb/0x6b0 [ 47.666304] setup_net+0x3d9/0x990 [ 47.666761] ? down_read_killable+0x1d7/0x4e0 [ 47.667364] ? __pfx_setup_net+0x10/0x10 [ 47.667886] ? copy_net_ns+0x17c/0x770 [ 47.668432] copy_net_ns+0x321/0x770 [ 47.668953] create_new_namespaces+0x3f6/0xb30 [ 47.669573] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.670219] ksys_unshare+0x44d/0x8e0 [ 47.670721] ? __pfx_ksys_unshare+0x10/0x10 [ 47.671303] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.672023] __x64_sys_unshare+0x31/0x40 [ 47.672572] do_syscall_64+0x3f/0x90 [ 47.673054] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.673736] RIP: 0033:0x7fe593a130d7 [ 47.674240] 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 [ 47.676446] RSP: 002b:00007ffc1107d708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.677414] RAX: ffffffffffffffda RBX: 00007ffc1107dd48 RCX: 00007fe593a130d7 [ 47.678322] RDX: 00007fe593a7d41f RSI: 00007ffc1107d6a0 RDI: 0000000040000000 [ 47.679182] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc1107d4b0 [ 47.680057] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe593b25bf0 [ 47.680974] R13: 00007ffc1107d7e0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.681885] [ 47.682220] irq event stamp: 8261 [ 47.682644] hardirqs last enabled at (8271): [] __up_console_sem+0x78/0x80 [ 47.683702] hardirqs last disabled at (8282): [] __up_console_sem+0x5d/0x80 [ 47.684780] softirqs last enabled at (7874): [] irq_exit_rcu+0x93/0xc0 [ 47.685811] softirqs last disabled at (7869): [] irq_exit_rcu+0x93/0xc0 [ 47.686831] ---[ end trace 0000000000000000 ]--- [ 47.698409] ------------[ cut here ]------------ [ 47.699006] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 47.700749] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.701832] Modules linked in: [ 47.702284] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.703468] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.704497] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.705160] 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 [ 47.707412] RSP: 0018:ffff88801a26fc00 EFLAGS: 00010282 [ 47.708061] RAX: 0000000000000000 RBX: ffff88800d7d1840 RCX: 0000000000000000 [ 47.708992] RDX: ffff888019e0d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.709893] RBP: ffff88800d7d1854 R08: 0000000000000001 R09: 0000000000000000 [ 47.710793] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.711697] R13: ffffffff84e223a0 R14: ffff88800d7d1848 R15: ffffffff84da62e0 [ 47.712594] FS: 0000555556128400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 47.713619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.714383] CR2: 00007f922f9296f4 CR3: 000000001a242000 CR4: 0000000000350ef0 [ 47.715279] Call Trace: [ 47.715592] [ 47.715880] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 47.716493] ipv6_frags_init_net+0x206/0x3c0 [ 47.717047] ops_init+0xbb/0x6b0 [ 47.717506] setup_net+0x3d9/0x990 [ 47.717944] ? down_read_killable+0x1d7/0x4e0 [ 47.718509] ? __pfx_setup_net+0x10/0x10 [ 47.718990] ? copy_net_ns+0x17c/0x770 [ 47.719503] copy_net_ns+0x321/0x770 [ 47.719958] create_new_namespaces+0x3f6/0xb30 [ 47.720548] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.721145] ksys_unshare+0x44d/0x8e0 [ 47.721644] ? __pfx_ksys_unshare+0x10/0x10 [ 47.722161] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.722873] __x64_sys_unshare+0x31/0x40 [ 47.723394] do_syscall_64+0x3f/0x90 [ 47.723848] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.724498] RIP: 0033:0x7fe593a130d7 [ 47.724973] 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 [ 47.727083] RSP: 002b:00007ffc1107d708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.728007] RAX: ffffffffffffffda RBX: 00007ffc1107dd48 RCX: 00007fe593a130d7 [ 47.728888] RDX: 00007fe593a7d41f RSI: 00007ffc1107d6a0 RDI: 0000000040000000 [ 47.729783] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc1107d4b0 [ 47.730656] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe593b25bf0 [ 47.731530] R13: 00007ffc1107d7e0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.732430] [ 47.732732] irq event stamp: 10821 [ 47.733157] hardirqs last enabled at (10831): [] __up_console_sem+0x78/0x80 [ 47.734227] hardirqs last disabled at (10844): [] __up_console_sem+0x5d/0x80 [ 47.735269] softirqs last enabled at (10092): [] irq_exit_rcu+0x93/0xc0 [ 47.736278] softirqs last disabled at (9909): [] irq_exit_rcu+0x93/0xc0 [ 47.737292] ---[ end trace 0000000000000000 ]--- [ 47.738613] ------------[ cut here ]------------ [ 47.739162] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 47.740993] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.742005] Modules linked in: [ 47.742423] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.743508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.744458] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.745087] 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 [ 47.747119] RSP: 0018:ffff88801a26fbf0 EFLAGS: 00010286 [ 47.747770] RAX: 0000000000000000 RBX: ffff88800d7d1240 RCX: 0000000000000000 [ 47.748650] RDX: ffff888019e0d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.749536] RBP: ffff88800d7d1254 R08: 0000000000000001 R09: 0000000000000000 [ 47.750408] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.751274] R13: ffffffff84e223a0 R14: ffff88800d7d1248 R15: ffffffff84daf020 [ 47.752109] FS: 0000555556128400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 47.753097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.753817] CR2: 00007f922f9296f4 CR3: 000000001a242000 CR4: 0000000000350ef0 [ 47.754682] Call Trace: [ 47.754998] [ 47.755320] nf_ct_net_init+0x224/0x3d0 [ 47.755828] ? __pfx_nf_ct_net_init+0x10/0x10 [ 47.756567] ops_init+0xbb/0x6b0 [ 47.757127] setup_net+0x3d9/0x990 [ 47.757729] ? down_read_killable+0x1d7/0x4e0 [ 47.758469] ? __pfx_setup_net+0x10/0x10 [ 47.759090] ? copy_net_ns+0x17c/0x770 [ 47.759748] copy_net_ns+0x321/0x770 [ 47.760383] create_new_namespaces+0x3f6/0xb30 [ 47.761118] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.761902] ksys_unshare+0x44d/0x8e0 [ 47.762542] ? __pfx_ksys_unshare+0x10/0x10 [ 47.763250] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.764130] __x64_sys_unshare+0x31/0x40 [ 47.764838] do_syscall_64+0x3f/0x90 [ 47.765467] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.766290] RIP: 0033:0x7fe593a130d7 [ 47.766858] 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 [ 47.769117] RSP: 002b:00007ffc1107d708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.770069] RAX: ffffffffffffffda RBX: 00007ffc1107dd48 RCX: 00007fe593a130d7 [ 47.770960] RDX: 00007fe593a7d41f RSI: 00007ffc1107d6a0 RDI: 0000000040000000 [ 47.771854] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc1107d4b0 [ 47.772753] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe593b25bf0 [ 47.773641] R13: 00007ffc1107d7e0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.774547] [ 47.774848] irq event stamp: 11623 [ 47.775323] hardirqs last enabled at (11635): [] __up_console_sem+0x78/0x80 [ 47.776383] hardirqs last disabled at (11646): [] __up_console_sem+0x5d/0x80 [ 47.777468] softirqs last enabled at (11370): [] irq_exit_rcu+0x93/0xc0 [ 47.778517] softirqs last disabled at (11365): [] irq_exit_rcu+0x93/0xc0 [ 47.779551] ---[ end trace 0000000000000000 ]--- executing program [ 49.323037] Bluetooth: hci0: command 0x0409 tx timeout [ 51.370440] Bluetooth: hci0: command 0x041b tx timeout executing program [ 53.418283] Bluetooth: hci0: command 0x040f tx timeout executing program [ 55.466306] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 15:57:34 Registers: info registers vcpu 0 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a26f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555556128400 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=00007f922f9296f4 CR3=000000001a242000 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=0000000000033b1d 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=00007f3df5ab30f0 CR3=0000000015fb0000 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=2039333a37353a35312036312079614d XMM01=5d3133333534362e37342020205b203a XMM02=74656e20746120373532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120373532203a4449 XMM06=57205d3133333534362e37342020205b XMM07=79732039333a37353a35312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000