Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:38920' (ECDSA) to the list of known hosts. 2023/05/16 22:21:17 fuzzer started 2023/05/16 22:21:17 dialing manager at localhost:35573 2023/05/16 22:21:17 checking machine... 2023/05/16 22:21:17 checking revisions... syzkaller login: [ 38.257769] kmemleak: Automatic memory scanning thread ended 2023/05/16 22:21:17 testing simple program... [ 38.327512] cgroup: Unknown subsys name 'net' [ 38.397938] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.365015] audit: type=1400 audit(1684275689.987:6): 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 [ 51.482618] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.484383] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.486945] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.490074] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.492620] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.493710] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.858995] ------------[ cut here ]------------ [ 51.859834] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.861778] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.863069] Modules linked in: [ 51.863580] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.868649] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.869655] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.870326] 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 [ 51.872469] RSP: 0018:ffff88800df6fc00 EFLAGS: 00010282 [ 51.873112] RAX: 0000000000000000 RBX: ffff88800f260040 RCX: 0000000000000000 [ 51.874005] RDX: ffff888015da0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.874887] RBP: ffff88800f260054 R08: 0000000000000001 R09: 0000000000000000 [ 51.875760] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.876631] R13: ffffffff84e223a0 R14: ffff88800f260048 R15: ffffffff84d73340 [ 51.877520] FS: 0000555556fec400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.878520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.879231] CR2: 00007f284740c000 CR3: 000000000ecb4000 CR4: 0000000000350ee0 [ 51.880102] Call Trace: [ 51.880449] [ 51.880745] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.881375] ipv4_frags_init_net+0x269/0x440 [ 51.881931] ops_init+0xbb/0x6b0 [ 51.882397] setup_net+0x3d9/0x990 [ 51.882845] ? down_read_killable+0x1d7/0x4e0 [ 51.883428] ? __pfx_setup_net+0x10/0x10 [ 51.883921] ? copy_net_ns+0x17c/0x770 [ 51.884446] copy_net_ns+0x321/0x770 [ 51.884928] create_new_namespaces+0x3f6/0xb30 [ 51.885544] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.886159] ksys_unshare+0x44d/0x8e0 [ 51.886670] ? __pfx_ksys_unshare+0x10/0x10 [ 51.887212] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.887934] __x64_sys_unshare+0x31/0x40 [ 51.888473] do_syscall_64+0x3f/0x90 [ 51.888943] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.889603] RIP: 0033:0x7f59c43f30d7 [ 51.890077] 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 [ 51.892205] RSP: 002b:00007fff83906018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.893124] RAX: ffffffffffffffda RBX: 00007fff83906658 RCX: 00007f59c43f30d7 [ 51.894008] RDX: 00007f59c445d41f RSI: 00007fff83905fb0 RDI: 0000000040000000 [ 51.894880] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff83905dc0 [ 51.895752] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f59c4505bf0 [ 51.896613] R13: 00007fff839060f0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.897503] [ 51.897821] irq event stamp: 7829 [ 51.898241] hardirqs last enabled at (7839): [] __up_console_sem+0x78/0x80 [ 51.899295] hardirqs last disabled at (7852): [] __up_console_sem+0x5d/0x80 [ 51.900323] softirqs last enabled at (7368): [] irq_exit_rcu+0x93/0xc0 [ 51.901331] softirqs last disabled at (7325): [] irq_exit_rcu+0x93/0xc0 [ 51.902349] ---[ end trace 0000000000000000 ]--- [ 51.907787] ------------[ cut here ]------------ [ 51.908522] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.910145] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.911188] Modules linked in: [ 51.911609] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.912727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.913713] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.914385] 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 [ 51.916511] RSP: 0018:ffff88800df6fc00 EFLAGS: 00010282 [ 51.917161] RAX: 0000000000000000 RBX: ffff88800d7eba40 RCX: 0000000000000000 [ 51.918060] RDX: ffff888015da0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.918925] RBP: ffff88800d7eba54 R08: 0000000000000001 R09: 0000000000000000 [ 51.919795] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.920673] R13: ffffffff84e223a0 R14: ffff88800d7eba48 R15: ffffffff84da62e0 [ 51.921552] FS: 0000555556fec400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.922542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.923241] CR2: 00007f284740c000 CR3: 000000000ecb4000 CR4: 0000000000350ee0 [ 51.924119] Call Trace: [ 51.924464] [ 51.924755] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.925386] ipv6_frags_init_net+0x206/0x3c0 [ 51.925936] ops_init+0xbb/0x6b0 [ 51.926395] setup_net+0x3d9/0x990 [ 51.926837] ? down_read_killable+0x1d7/0x4e0 [ 51.927421] ? __pfx_setup_net+0x10/0x10 [ 51.927921] ? copy_net_ns+0x17c/0x770 [ 51.928444] copy_net_ns+0x321/0x770 [ 51.928917] create_new_namespaces+0x3f6/0xb30 [ 51.929517] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.930137] ksys_unshare+0x44d/0x8e0 [ 51.930660] ? __pfx_ksys_unshare+0x10/0x10 [ 51.931197] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.931926] __x64_sys_unshare+0x31/0x40 [ 51.932464] do_syscall_64+0x3f/0x90 [ 51.932926] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.933578] RIP: 0033:0x7f59c43f30d7 [ 51.934045] 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 [ 51.936171] RSP: 002b:00007fff83906018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.937144] RAX: ffffffffffffffda RBX: 00007fff83906658 RCX: 00007f59c43f30d7 [ 51.938063] RDX: 00007f59c445d41f RSI: 00007fff83905fb0 RDI: 0000000040000000 [ 51.938970] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff83905dc0 [ 51.939879] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f59c4505bf0 [ 51.940781] R13: 00007fff839060f0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.941704] [ 51.942032] irq event stamp: 9619 [ 51.942490] hardirqs last enabled at (9631): [] __up_console_sem+0x78/0x80 [ 51.943567] hardirqs last disabled at (9642): [] __up_console_sem+0x5d/0x80 [ 51.944642] softirqs last enabled at (9448): [] irq_exit_rcu+0x93/0xc0 [ 51.945689] softirqs last disabled at (9439): [] irq_exit_rcu+0x93/0xc0 [ 51.946753] ---[ end trace 0000000000000000 ]--- [ 51.948071] ------------[ cut here ]------------ [ 51.948708] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.950709] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.951783] Modules linked in: [ 51.952192] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.953360] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.954390] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.955047] 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 [ 51.957289] RSP: 0018:ffff88800df6fbf0 EFLAGS: 00010286 [ 51.957969] RAX: 0000000000000000 RBX: ffff88800eff3040 RCX: 0000000000000000 [ 51.958880] RDX: ffff888015da0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.959789] RBP: ffff88800eff3054 R08: 0000000000000001 R09: 0000000000000000 [ 51.960701] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.961598] R13: ffffffff84e223a0 R14: ffff88800eff3048 R15: ffffffff84daf020 [ 51.962521] FS: 0000555556fec400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.963547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.964300] CR2: 00007f284740c000 CR3: 000000000ecb4000 CR4: 0000000000350ee0 [ 51.965174] Call Trace: [ 51.965535] [ 51.965862] nf_ct_net_init+0x224/0x3d0 [ 51.966420] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.967000] ops_init+0xbb/0x6b0 [ 51.967479] setup_net+0x3d9/0x990 [ 51.967930] ? down_read_killable+0x1d7/0x4e0 [ 51.968534] ? __pfx_setup_net+0x10/0x10 [ 51.969057] ? copy_net_ns+0x17c/0x770 [ 51.969600] copy_net_ns+0x321/0x770 [ 51.970108] create_new_namespaces+0x3f6/0xb30 [ 51.970731] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.971386] ksys_unshare+0x44d/0x8e0 [ 51.971880] ? __pfx_ksys_unshare+0x10/0x10 [ 51.972462] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.973178] __x64_sys_unshare+0x31/0x40 [ 51.973751] do_syscall_64+0x3f/0x90 [ 51.974242] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.974931] RIP: 0033:0x7f59c43f30d7 [ 51.975431] 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 [ 51.977649] RSP: 002b:00007fff83906018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.978638] RAX: ffffffffffffffda RBX: 00007fff83906658 RCX: 00007f59c43f30d7 [ 51.979548] RDX: 00007f59c445d41f RSI: 00007fff83905fb0 RDI: 0000000040000000 [ 51.980456] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff83905dc0 [ 51.981360] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f59c4505bf0 [ 51.982297] R13: 00007fff839060f0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.983213] [ 51.983550] irq event stamp: 10423 [ 51.983996] hardirqs last enabled at (10433): [] __up_console_sem+0x78/0x80 [ 51.985088] hardirqs last disabled at (10444): [] __up_console_sem+0x5d/0x80 [ 51.986179] softirqs last enabled at (10360): [] irq_exit_rcu+0x93/0xc0 [ 51.987242] softirqs last disabled at (10355): [] irq_exit_rcu+0x93/0xc0 [ 51.988318] ---[ end trace 0000000000000000 ]--- executing program [ 53.506713] Bluetooth: hci0: command 0x0409 tx timeout [ 55.554751] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.602342] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.650407] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 22:21:29 Registers: info registers vcpu 0 RAX=0000000080000003 RBX=0000000000000000 RCX=0000000080000003 RDX=ffff888016ac9b40 RSI=ffffffff8216e277 RDI=0000000000000006 RBP=ffffffff87120868 RSP=ffff888018c27258 R8 =0000000000000006 R9 =0000000000000e40 R10=0000000000010000 R11=0000000000000001 R12=0000000000000e40 R13=0000000000010000 R14=dffffc0000000000 R15=0000000000000000 RIP=ffffffff814bf881 RFL=00000083 [--S---C] 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 00007f6546f95700 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=00007f28473ea470 CR3=0000000013b36000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=756e755f6873657268745f776f6c5f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000000a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800df6f5f0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=000000000000000a 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 0000555556fec400 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=00007f284740c000 CR3=000000000ecb4000 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