Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:35790' (ECDSA) to the list of known hosts. 2023/05/16 12:43:17 fuzzer started 2023/05/16 12:43:17 dialing manager at localhost:35573 2023/05/16 12:43:17 checking machine... 2023/05/16 12:43:17 checking revisions... syzkaller login: [ 56.620329] kmemleak: Automatic memory scanning thread ended 2023/05/16 12:43:18 testing simple program... [ 56.690343] cgroup: Unknown subsys name 'net' [ 56.777221] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 69.280063] audit: type=1400 audit(1684241010.671:6): 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 [ 70.416638] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 70.418904] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 70.421547] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 70.425365] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 70.427367] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 70.428661] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 70.847813] ------------[ cut here ]------------ [ 70.848566] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 70.850734] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.851919] Modules linked in: [ 70.852376] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 70.857390] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.858639] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.859513] 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 [ 70.862152] RSP: 0018:ffff88800f827c00 EFLAGS: 00010282 [ 70.863047] RAX: 0000000000000000 RBX: ffff88800fa4ac40 RCX: 0000000000000000 [ 70.864127] RDX: ffff88800f4751c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 70.865200] RBP: ffff88800fa4ac54 R08: 0000000000000001 R09: 0000000000000000 [ 70.866279] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 70.867380] R13: ffffffff84e223a0 R14: ffff88800fa4ac48 R15: ffffffff84d73340 [ 70.868470] FS: 0000555555f21400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 70.869665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.870635] CR2: 00007f75157536f4 CR3: 000000000e474000 CR4: 0000000000350ee0 [ 70.871774] Call Trace: [ 70.872350] [ 70.872679] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 70.873578] ipv4_frags_init_net+0x269/0x440 [ 70.874295] ops_init+0xbb/0x6b0 [ 70.874801] setup_net+0x3d9/0x990 [ 70.875333] ? down_read_killable+0x1d7/0x4e0 [ 70.876008] ? __pfx_setup_net+0x10/0x10 [ 70.876570] ? copy_net_ns+0x17c/0x770 [ 70.877186] copy_net_ns+0x321/0x770 [ 70.877726] create_new_namespaces+0x3f6/0xb30 [ 70.878431] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.879167] ksys_unshare+0x44d/0x8e0 [ 70.879718] ? __pfx_ksys_unshare+0x10/0x10 [ 70.880370] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.881207] __x64_sys_unshare+0x31/0x40 [ 70.881786] do_syscall_64+0x3f/0x90 [ 70.882366] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.883141] RIP: 0033:0x7f5af4d130d7 [ 70.883666] 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 [ 70.886104] RSP: 002b:00007ffe9a5fcc88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 70.887178] RAX: ffffffffffffffda RBX: 00007ffe9a5fd2c8 RCX: 00007f5af4d130d7 [ 70.888186] RDX: 00007f5af4d7d41f RSI: 00007ffe9a5fcc20 RDI: 0000000040000000 [ 70.889180] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9a5fca30 [ 70.890205] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5af4e25bf0 [ 70.891214] R13: 00007ffe9a5fcd60 R14: 0000000000000000 R15: 00000000000000f8 [ 70.892245] [ 70.892584] irq event stamp: 8821 [ 70.893100] hardirqs last enabled at (8833): [] __up_console_sem+0x78/0x80 [ 70.894266] hardirqs last disabled at (8844): [] __up_console_sem+0x5d/0x80 [ 70.895462] softirqs last enabled at (8782): [] irq_exit_rcu+0x93/0xc0 [ 70.896618] softirqs last disabled at (8777): [] irq_exit_rcu+0x93/0xc0 [ 70.897773] ---[ end trace 0000000000000000 ]--- [ 70.903788] ------------[ cut here ]------------ [ 70.904487] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 70.906650] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.907844] Modules linked in: [ 70.908321] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 70.909601] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.910740] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.911500] 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 [ 70.913926] RSP: 0018:ffff88800f827c00 EFLAGS: 00010282 [ 70.914636] RAX: 0000000000000000 RBX: ffff88800971e040 RCX: 0000000000000000 [ 70.915630] RDX: ffff88800f4751c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 70.916608] RBP: ffff88800971e054 R08: 0000000000000001 R09: 0000000000000000 [ 70.917582] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 70.918541] R13: ffffffff84e223a0 R14: ffff88800971e048 R15: ffffffff84da62e0 [ 70.919529] FS: 0000555555f21400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 70.920620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.921435] CR2: 00007f75157536f4 CR3: 000000000e474000 CR4: 0000000000350ee0 [ 70.922416] Call Trace: [ 70.922778] [ 70.923143] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 70.923810] ipv6_frags_init_net+0x206/0x3c0 [ 70.924447] ops_init+0xbb/0x6b0 [ 70.924970] setup_net+0x3d9/0x990 [ 70.925451] ? down_read_killable+0x1d7/0x4e0 [ 70.926088] ? __pfx_setup_net+0x10/0x10 [ 70.926624] ? copy_net_ns+0x17c/0x770 [ 70.927222] copy_net_ns+0x321/0x770 [ 70.927729] create_new_namespaces+0x3f6/0xb30 [ 70.928383] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.929072] ksys_unshare+0x44d/0x8e0 [ 70.929602] ? __pfx_ksys_unshare+0x10/0x10 [ 70.930230] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.931047] __x64_sys_unshare+0x31/0x40 [ 70.931603] do_syscall_64+0x3f/0x90 [ 70.932157] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.932835] RIP: 0033:0x7f5af4d130d7 [ 70.933376] 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 [ 70.935708] RSP: 002b:00007ffe9a5fcc88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 70.936729] RAX: ffffffffffffffda RBX: 00007ffe9a5fd2c8 RCX: 00007f5af4d130d7 [ 70.937678] RDX: 00007f5af4d7d41f RSI: 00007ffe9a5fcc20 RDI: 0000000040000000 [ 70.938643] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9a5fca30 [ 70.939592] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5af4e25bf0 [ 70.940565] R13: 00007ffe9a5fcd60 R14: 0000000000000000 R15: 00000000000000f8 [ 70.941576] [ 70.941948] irq event stamp: 10571 [ 70.942412] hardirqs last enabled at (10581): [] __up_console_sem+0x78/0x80 [ 70.943558] hardirqs last disabled at (10592): [] __up_console_sem+0x5d/0x80 [ 70.944718] softirqs last enabled at (10062): [] irq_exit_rcu+0x93/0xc0 [ 70.945839] softirqs last disabled at (10037): [] irq_exit_rcu+0x93/0xc0 [ 70.946985] ---[ end trace 0000000000000000 ]--- [ 70.948457] ------------[ cut here ]------------ [ 70.949159] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 70.951228] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.952341] Modules linked in: [ 70.952770] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 70.954002] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.955096] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.955764] 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 [ 70.958042] RSP: 0018:ffff88800f827bf0 EFLAGS: 00010286 [ 70.958731] RAX: 0000000000000000 RBX: ffff88800c448640 RCX: 0000000000000000 [ 70.959674] RDX: ffff88800f4751c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 70.960624] RBP: ffff88800c448654 R08: 0000000000000001 R09: 0000000000000000 [ 70.961559] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 70.962493] R13: ffffffff84e223a0 R14: ffff88800c448648 R15: ffffffff84daf020 [ 70.963467] FS: 0000555555f21400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 70.964514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.965315] CR2: 00007f75157536f4 CR3: 000000000e474000 CR4: 0000000000350ee0 [ 70.966253] Call Trace: [ 70.966605] [ 70.966972] nf_ct_net_init+0x224/0x3d0 [ 70.967517] ? __pfx_nf_ct_net_init+0x10/0x10 [ 70.968154] ops_init+0xbb/0x6b0 [ 70.968621] setup_net+0x3d9/0x990 [ 70.969129] ? down_read_killable+0x1d7/0x4e0 [ 70.969716] ? __pfx_setup_net+0x10/0x10 [ 70.970276] ? copy_net_ns+0x17c/0x770 [ 70.970823] copy_net_ns+0x321/0x770 [ 70.971356] create_new_namespaces+0x3f6/0xb30 [ 70.972000] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.972636] ksys_unshare+0x44d/0x8e0 [ 70.973183] ? __pfx_ksys_unshare+0x10/0x10 [ 70.973752] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.974518] __x64_sys_unshare+0x31/0x40 [ 70.975099] do_syscall_64+0x3f/0x90 [ 70.975590] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.976283] RIP: 0033:0x7f5af4d130d7 [ 70.976768] 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 [ 70.979064] RSP: 002b:00007ffe9a5fcc88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 70.980069] RAX: ffffffffffffffda RBX: 00007ffe9a5fd2c8 RCX: 00007f5af4d130d7 [ 70.981001] RDX: 00007f5af4d7d41f RSI: 00007ffe9a5fcc20 RDI: 0000000040000000 [ 70.981910] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9a5fca30 [ 70.982823] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5af4e25bf0 [ 70.983748] R13: 00007ffe9a5fcd60 R14: 0000000000000000 R15: 00000000000000f8 [ 70.984676] [ 70.985015] irq event stamp: 11353 [ 70.985461] hardirqs last enabled at (11363): [] __up_console_sem+0x78/0x80 [ 70.986572] hardirqs last disabled at (11374): [] __up_console_sem+0x5d/0x80 [ 70.987692] softirqs last enabled at (10892): [] irq_exit_rcu+0x93/0xc0 [ 70.988773] softirqs last disabled at (10887): [] irq_exit_rcu+0x93/0xc0 [ 70.989839] ---[ end trace 0000000000000000 ]--- executing program [ 72.502637] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 74.549990] Bluetooth: hci0: command 0x041b tx timeout [ 76.597943] Bluetooth: hci0: command 0x040f tx timeout executing program [ 78.645979] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 12:43:11 Registers: info registers vcpu 0 RAX=0000000000020ff3 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=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=00007f8ab80370e8 CR3=0000000013932000 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=2032333a33343a32312036312079614d XMM01=5d3637333235382e30372020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d36 XMM07=6e72656b2072656c6c616b7a79732032 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=ffff88800f8275f0 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 0000555555f21400 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=00007f75157536f4 CR3=000000000e474000 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