Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:55357' (ECDSA) to the list of known hosts. 2023/05/17 15:12:48 fuzzer started 2023/05/17 15:12:48 dialing manager at localhost:44319 2023/05/17 15:12:48 checking machine... 2023/05/17 15:12:48 checking revisions... syzkaller login: [ 36.602651] kmemleak: Automatic memory scanning thread ended 2023/05/17 15:12:49 testing simple program... [ 36.665346] cgroup: Unknown subsys name 'net' [ 36.743835] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.647118] audit: type=1400 audit(1684336381.083:6): 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 [ 49.766249] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.768655] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.769849] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.772518] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.774351] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.775634] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.158819] ------------[ cut here ]------------ [ 50.159529] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.161286] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.162351] Modules linked in: [ 50.162760] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.167587] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.168694] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.169472] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 50.171728] RSP: 0018:ffff88801fd0fc00 EFLAGS: 00010282 [ 50.172494] RAX: 0000000000000000 RBX: ffff888010216440 RCX: 0000000000000000 [ 50.173495] RDX: ffff88801d0c51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.174465] RBP: ffff888010216454 R08: 0000000000000001 R09: 0000000000000000 [ 50.175465] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.176460] R13: ffffffff84e23fe0 R14: ffff888010216448 R15: ffffffff84d74dc0 [ 50.177499] FS: 000055555668c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.178644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.179569] CR2: 00007f4f0d2d76f4 CR3: 0000000016ec2000 CR4: 0000000000350ee0 [ 50.180632] Call Trace: [ 50.180960] [ 50.181402] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.182059] ipv4_frags_init_net+0x269/0x440 [ 50.182625] ops_init+0xbb/0x6b0 [ 50.183133] setup_net+0x3d9/0x990 [ 50.183589] ? down_read_killable+0x1d7/0x4e0 [ 50.184192] ? __pfx_setup_net+0x10/0x10 [ 50.184703] ? copy_net_ns+0x17c/0x770 [ 50.185243] copy_net_ns+0x321/0x770 [ 50.185728] create_new_namespaces+0x3f6/0xb30 [ 50.186359] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.186986] ksys_unshare+0x44d/0x8e0 [ 50.187514] ? __pfx_ksys_unshare+0x10/0x10 [ 50.188105] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.188817] __x64_sys_unshare+0x31/0x40 [ 50.189391] do_syscall_64+0x3f/0x90 [ 50.189879] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.190578] RIP: 0033:0x7f25f18340d7 [ 50.191106] 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 [ 50.193394] RSP: 002b:00007ffdaae8fe18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.194374] RAX: ffffffffffffffda RBX: 00007ffdaae90458 RCX: 00007f25f18340d7 [ 50.195320] RDX: 00007f25f189e41f RSI: 00007ffdaae8fdb0 RDI: 0000000040000000 [ 50.196252] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdaae8fbc0 [ 50.197183] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f25f1946bf0 [ 50.198114] R13: 00007ffdaae8fef0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.199076] [ 50.199388] irq event stamp: 8673 [ 50.199828] hardirqs last enabled at (8683): [] __up_console_sem+0x78/0x80 [ 50.200938] hardirqs last disabled at (8694): [] __up_console_sem+0x5d/0x80 [ 50.202052] softirqs last enabled at (8378): [] irq_exit_rcu+0x93/0xc0 [ 50.203159] softirqs last disabled at (8329): [] irq_exit_rcu+0x93/0xc0 [ 50.204226] ---[ end trace 0000000000000000 ]--- [ 50.209388] ------------[ cut here ]------------ [ 50.210000] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.211741] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.212851] Modules linked in: [ 50.213304] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.214497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.215569] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.216277] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 50.218559] RSP: 0018:ffff88801fd0fc00 EFLAGS: 00010282 [ 50.219288] RAX: 0000000000000000 RBX: ffff88800cbf4440 RCX: 0000000000000000 [ 50.220217] RDX: ffff88801d0c51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.221136] RBP: ffff88800cbf4454 R08: 0000000000000001 R09: 0000000000000000 [ 50.222059] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.222971] R13: ffffffff84e23fe0 R14: ffff88800cbf4448 R15: ffffffff84da7d60 [ 50.223916] FS: 000055555668c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.224944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.225707] CR2: 00007f4f0d2d76f4 CR3: 0000000016ec2000 CR4: 0000000000350ee0 [ 50.226633] Call Trace: [ 50.226977] [ 50.227325] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.227967] ipv6_frags_init_net+0x206/0x3c0 [ 50.228578] ops_init+0xbb/0x6b0 [ 50.229070] setup_net+0x3d9/0x990 [ 50.229543] ? down_read_killable+0x1d7/0x4e0 [ 50.230165] ? __pfx_setup_net+0x10/0x10 [ 50.230697] ? copy_net_ns+0x17c/0x770 [ 50.231278] copy_net_ns+0x321/0x770 [ 50.231777] create_new_namespaces+0x3f6/0xb30 [ 50.232411] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.233080] ksys_unshare+0x44d/0x8e0 [ 50.233590] ? __pfx_ksys_unshare+0x10/0x10 [ 50.234190] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.234927] __x64_sys_unshare+0x31/0x40 [ 50.235506] do_syscall_64+0x3f/0x90 [ 50.236001] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.236701] RIP: 0033:0x7f25f18340d7 [ 50.237214] 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 [ 50.239476] RSP: 002b:00007ffdaae8fe18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.240465] RAX: ffffffffffffffda RBX: 00007ffdaae90458 RCX: 00007f25f18340d7 [ 50.241394] RDX: 00007f25f189e41f RSI: 00007ffdaae8fdb0 RDI: 0000000040000000 [ 50.242323] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdaae8fbc0 [ 50.243279] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f25f1946bf0 [ 50.244212] R13: 00007ffdaae8fef0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.245156] [ 50.245468] irq event stamp: 10333 [ 50.245913] hardirqs last enabled at (10343): [] __up_console_sem+0x78/0x80 [ 50.247039] hardirqs last disabled at (10354): [] __up_console_sem+0x5d/0x80 [ 50.248143] softirqs last enabled at (9546): [] irq_exit_rcu+0x93/0xc0 [ 50.249211] softirqs last disabled at (9433): [] irq_exit_rcu+0x93/0xc0 [ 50.250296] ---[ end trace 0000000000000000 ]--- [ 50.251663] ------------[ cut here ]------------ [ 50.252359] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.254380] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.255497] Modules linked in: [ 50.255920] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.257124] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.258166] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.258812] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 50.260973] RSP: 0018:ffff88801fd0fbf0 EFLAGS: 00010286 [ 50.261663] RAX: 0000000000000000 RBX: ffff88800cbf4e40 RCX: 0000000000000000 [ 50.262581] RDX: ffff88801d0c51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.263509] RBP: ffff88800cbf4e54 R08: 0000000000000001 R09: 0000000000000000 [ 50.264412] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.265318] R13: ffffffff84e23fe0 R14: ffff88800cbf4e48 R15: ffffffff84db0aa0 [ 50.266220] FS: 000055555668c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.267265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.268048] CR2: 00007f4f0d2d76f4 CR3: 0000000016ec2000 CR4: 0000000000350ee0 [ 50.268914] Call Trace: [ 50.269278] [ 50.269579] nf_ct_net_init+0x224/0x3d0 [ 50.270123] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.270694] ops_init+0xbb/0x6b0 [ 50.271204] setup_net+0x3d9/0x990 [ 50.271666] ? down_read_killable+0x1d7/0x4e0 [ 50.272279] ? __pfx_setup_net+0x10/0x10 [ 50.272799] ? copy_net_ns+0x17c/0x770 [ 50.273347] copy_net_ns+0x321/0x770 [ 50.273835] create_new_namespaces+0x3f6/0xb30 [ 50.274463] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.275125] ksys_unshare+0x44d/0x8e0 [ 50.275618] ? __pfx_ksys_unshare+0x10/0x10 [ 50.276199] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.276943] __x64_sys_unshare+0x31/0x40 [ 50.277515] do_syscall_64+0x3f/0x90 [ 50.278043] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.278704] RIP: 0033:0x7f25f18340d7 [ 50.279230] 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 [ 50.281483] RSP: 002b:00007ffdaae8fe18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.282469] RAX: ffffffffffffffda RBX: 00007ffdaae90458 RCX: 00007f25f18340d7 [ 50.283463] RDX: 00007f25f189e41f RSI: 00007ffdaae8fdb0 RDI: 0000000040000000 [ 50.284395] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdaae8fbc0 [ 50.285325] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f25f1946bf0 [ 50.286252] R13: 00007ffdaae8fef0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.287215] [ 50.287522] irq event stamp: 11131 [ 50.287970] hardirqs last enabled at (11141): [] __up_console_sem+0x78/0x80 [ 50.289114] hardirqs last disabled at (11154): [] __up_console_sem+0x5d/0x80 [ 50.290220] softirqs last enabled at (11068): [] irq_exit_rcu+0x93/0xc0 [ 50.291312] softirqs last disabled at (11057): [] irq_exit_rcu+0x93/0xc0 [ 50.292395] ---[ end trace 0000000000000000 ]--- executing program [ 51.843714] Bluetooth: hci0: command 0x0409 tx timeout [ 53.891105] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.939234] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.987117] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 15:13:02 Registers: info registers vcpu 0 RAX=00000000000269cf RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007f4778417830 CR3=00000000165ee000 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=2032303a33313a35312037312079614d XMM01=5d3638323136312e30352020205b203a XMM02=74656e20746120373532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120373532203a4449 XMM06=57205d3638323136312e30352020205b XMM07=79732032303a33313a35312037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801fd0f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 000055555668c400 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=00007f4f0d2d76f4 CR3=0000000016ec2000 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