Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:21496' (ECDSA) to the list of known hosts. 2023/05/17 08:33:44 fuzzer started 2023/05/17 08:33:44 dialing manager at localhost:35573 2023/05/17 08:33:44 checking machine... 2023/05/17 08:33:44 checking revisions... syzkaller login: [ 37.044064] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:33:45 testing simple program... [ 37.090970] cgroup: Unknown subsys name 'net' [ 37.153499] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 48.480798] audit: type=1400 audit(1684312436.456:6): 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 [ 49.617045] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.618948] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.621099] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.623451] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.625132] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.626282] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.009565] ------------[ cut here ]------------ [ 50.010402] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.012757] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.013849] Modules linked in: [ 50.014297] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.016490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.019018] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.020295] 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 [ 50.022486] RSP: 0018:ffff88801f887c00 EFLAGS: 00010282 [ 50.023190] RAX: 0000000000000000 RBX: ffff88800c94a840 RCX: 0000000000000000 [ 50.024079] RDX: ffff888016ebd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.024945] RBP: ffff88800c94a854 R08: 0000000000000001 R09: 0000000000000000 [ 50.025827] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.026698] R13: ffffffff84e223a0 R14: ffff88800c94a848 R15: ffffffff84d73340 [ 50.027582] FS: 0000555556891400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.028575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.029303] CR2: 00007fc8d88f7fe0 CR3: 0000000017d3e000 CR4: 0000000000350ef0 [ 50.030185] Call Trace: [ 50.030515] [ 50.030809] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.031451] ipv4_frags_init_net+0x269/0x440 [ 50.032027] ops_init+0xbb/0x6b0 [ 50.032472] setup_net+0x3d9/0x990 [ 50.032973] ? down_read_killable+0x1d7/0x4e0 [ 50.033576] ? __pfx_setup_net+0x10/0x10 [ 50.034108] ? copy_net_ns+0x17c/0x770 [ 50.034617] copy_net_ns+0x321/0x770 [ 50.035116] create_new_namespaces+0x3f6/0xb30 [ 50.035707] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.036337] ksys_unshare+0x44d/0x8e0 [ 50.036843] ? __pfx_ksys_unshare+0x10/0x10 [ 50.037413] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.038146] __x64_sys_unshare+0x31/0x40 [ 50.038653] do_syscall_64+0x3f/0x90 [ 50.039154] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.039786] RIP: 0033:0x7f3d21e0c0d7 [ 50.040274] 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 [ 50.042438] RSP: 002b:00007ffd17448858 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.043377] RAX: ffffffffffffffda RBX: 00007ffd17448e98 RCX: 00007f3d21e0c0d7 [ 50.044252] RDX: 00007f3d21e7641f RSI: 00007ffd174487f0 RDI: 0000000040000000 [ 50.045152] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd17448600 [ 50.046022] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3d21f1ebf0 [ 50.046887] R13: 00007ffd17448930 R14: 0000000000000000 R15: 00000000000000f8 [ 50.047814] [ 50.048143] irq event stamp: 11285 [ 50.048583] hardirqs last enabled at (11295): [] __up_console_sem+0x78/0x80 [ 50.049645] hardirqs last disabled at (11306): [] __up_console_sem+0x5d/0x80 [ 50.050710] softirqs last enabled at (10720): [] irq_exit_rcu+0x93/0xc0 [ 50.051752] softirqs last disabled at (10543): [] irq_exit_rcu+0x93/0xc0 [ 50.052782] ---[ end trace 0000000000000000 ]--- [ 50.057790] ------------[ cut here ]------------ [ 50.058397] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.060068] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.061144] Modules linked in: [ 50.061541] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.062707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.063705] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.064372] 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 [ 50.066556] RSP: 0018:ffff88801f887c00 EFLAGS: 00010282 [ 50.067238] RAX: 0000000000000000 RBX: ffff888008ef0640 RCX: 0000000000000000 [ 50.068123] RDX: ffff888016ebd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.069008] RBP: ffff888008ef0654 R08: 0000000000000001 R09: 0000000000000000 [ 50.069862] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.070753] R13: ffffffff84e223a0 R14: ffff888008ef0648 R15: ffffffff84da62e0 [ 50.071641] FS: 0000555556891400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.072650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.073377] CR2: 00007fc8d88f7fe0 CR3: 0000000017d3e000 CR4: 0000000000350ef0 [ 50.074253] Call Trace: [ 50.074575] [ 50.074864] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.075499] ipv6_frags_init_net+0x206/0x3c0 [ 50.076074] ops_init+0xbb/0x6b0 [ 50.076523] setup_net+0x3d9/0x990 [ 50.076974] ? down_read_killable+0x1d7/0x4e0 [ 50.077567] ? __pfx_setup_net+0x10/0x10 [ 50.078094] ? copy_net_ns+0x17c/0x770 [ 50.078597] copy_net_ns+0x321/0x770 [ 50.079090] create_new_namespaces+0x3f6/0xb30 [ 50.079685] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.080324] ksys_unshare+0x44d/0x8e0 [ 50.080830] ? __pfx_ksys_unshare+0x10/0x10 [ 50.081406] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.082135] __x64_sys_unshare+0x31/0x40 [ 50.082654] do_syscall_64+0x3f/0x90 [ 50.083152] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.083788] RIP: 0033:0x7f3d21e0c0d7 [ 50.084265] 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 [ 50.086447] RSP: 002b:00007ffd17448858 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.087393] RAX: ffffffffffffffda RBX: 00007ffd17448e98 RCX: 00007f3d21e0c0d7 [ 50.088281] RDX: 00007f3d21e7641f RSI: 00007ffd174487f0 RDI: 0000000040000000 [ 50.089171] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd17448600 [ 50.090057] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3d21f1ebf0 [ 50.090907] R13: 00007ffd17448930 R14: 0000000000000000 R15: 00000000000000f8 [ 50.091803] [ 50.092128] irq event stamp: 12871 [ 50.092580] hardirqs last enabled at (12881): [] __up_console_sem+0x78/0x80 [ 50.093639] hardirqs last disabled at (12892): [] __up_console_sem+0x5d/0x80 [ 50.094693] softirqs last enabled at (12432): [] irq_exit_rcu+0x93/0xc0 [ 50.095734] softirqs last disabled at (12427): [] irq_exit_rcu+0x93/0xc0 [ 50.096752] ---[ end trace 0000000000000000 ]--- [ 50.098090] ------------[ cut here ]------------ [ 50.098678] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.100663] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.101728] Modules linked in: [ 50.102160] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.103305] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.104299] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.105016] 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 [ 50.107146] RSP: 0018:ffff88801f887bf0 EFLAGS: 00010286 [ 50.107796] RAX: 0000000000000000 RBX: ffff888008ef1040 RCX: 0000000000000000 [ 50.108754] RDX: ffff888016ebd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.109586] RBP: ffff888008ef1054 R08: 0000000000000001 R09: 0000000000000000 [ 50.110419] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.111242] R13: ffffffff84e223a0 R14: ffff888008ef1048 R15: ffffffff84daf020 [ 50.112070] FS: 0000555556891400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.113068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.113775] CR2: 00007fc8d88f7fe0 CR3: 0000000017d3e000 CR4: 0000000000350ef0 [ 50.114647] Call Trace: [ 50.115004] [ 50.115304] nf_ct_net_init+0x224/0x3d0 [ 50.115815] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.116415] ops_init+0xbb/0x6b0 [ 50.116866] setup_net+0x3d9/0x990 [ 50.117355] ? down_read_killable+0x1d7/0x4e0 [ 50.117928] ? __pfx_setup_net+0x10/0x10 [ 50.118454] ? copy_net_ns+0x17c/0x770 [ 50.118960] copy_net_ns+0x321/0x770 [ 50.119476] create_new_namespaces+0x3f6/0xb30 [ 50.120098] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.120751] ksys_unshare+0x44d/0x8e0 [ 50.121270] ? __pfx_ksys_unshare+0x10/0x10 [ 50.121816] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.122553] __x64_sys_unshare+0x31/0x40 [ 50.123098] do_syscall_64+0x3f/0x90 [ 50.123569] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.124240] RIP: 0033:0x7f3d21e0c0d7 [ 50.124715] 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 [ 50.126864] RSP: 002b:00007ffd17448858 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.127812] RAX: ffffffffffffffda RBX: 00007ffd17448e98 RCX: 00007f3d21e0c0d7 [ 50.128702] RDX: 00007f3d21e7641f RSI: 00007ffd174487f0 RDI: 0000000040000000 [ 50.129578] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd17448600 [ 50.130457] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3d21f1ebf0 [ 50.131338] R13: 00007ffd17448930 R14: 0000000000000000 R15: 00000000000000f8 [ 50.132247] [ 50.132568] irq event stamp: 13639 [ 50.133030] hardirqs last enabled at (13651): [] __up_console_sem+0x78/0x80 [ 50.134101] hardirqs last disabled at (13662): [] __up_console_sem+0x5d/0x80 [ 50.135164] softirqs last enabled at (13564): [] irq_exit_rcu+0x93/0xc0 [ 50.136201] softirqs last disabled at (13559): [] irq_exit_rcu+0x93/0xc0 [ 50.137252] ---[ end trace 0000000000000000 ]--- [ 51.700599] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 53.748085] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.796039] Bluetooth: hci0: command 0x040f tx timeout [ 57.844040] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 08:33:56 Registers: info registers vcpu 0 RAX=0000000000000043 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f887618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000043 R11=0000000000000001 R12=0000000000000043 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 0000555556891400 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=00007fc8d88f7fe0 CR3=0000000017d3e000 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=ffffffff8612d297 RBX=0000000000000001 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000001 RDI=ffffffff85df5364 RBP=ffff88800e6bf648 RSP=ffff88800e6bf580 R8 =ffffffff8612d296 R9 =ffffffff8612d29a R10=0000000000038001 R11=0000000000020d59 R12=ffff88800e6bf650 R13=ffff88800e6bf638 R14=ffff88800e6bfa20 R15=ffff88800e6bf5f0 RIP=ffffffff81131865 RFL=00000246 [---Z-P-] 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 00007fc8d94b2900 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=00007fc8d89d9020 CR3=000000000ea0a000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=121e9c988d288c42000000000013c1e8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=86068dcdac3a848200000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000