Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:17451' (ECDSA) to the list of known hosts. 2023/05/18 00:05:02 fuzzer started 2023/05/18 00:05:03 dialing manager at localhost:44319 2023/05/18 00:05:03 checking machine... 2023/05/18 00:05:03 checking revisions... syzkaller login: [ 37.253083] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:05:03 testing simple program... [ 37.321788] cgroup: Unknown subsys name 'net' [ 37.399736] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.607707] audit: type=1400 audit(1684368315.607:6): avc: denied { execmem } for pid=260 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.757889] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.762959] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.765014] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.768485] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.771098] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.772843] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.182531] ------------[ cut here ]------------ [ 51.183250] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.185437] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.186626] Modules linked in: [ 51.187063] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.191899] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.193036] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.193774] 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 [ 51.196190] RSP: 0018:ffff88800f117c00 EFLAGS: 00010282 [ 51.196949] RAX: 0000000000000000 RBX: ffff888015ac0840 RCX: 0000000000000000 [ 51.197928] RDX: ffff88800ec7d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.198914] RBP: ffff888015ac0854 R08: 0000000000000001 R09: 0000000000000000 [ 51.199905] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.200887] R13: ffffffff84e23fe0 R14: ffff888015ac0848 R15: ffffffff84d74dc0 [ 51.201869] FS: 00005555567a3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.202972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.203792] CR2: 00007f8996d756f4 CR3: 0000000009aae000 CR4: 0000000000350ef0 [ 51.204782] Call Trace: [ 51.205140] [ 51.205503] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.206180] ipv4_frags_init_net+0x269/0x440 [ 51.206829] ops_init+0xbb/0x6b0 [ 51.207356] setup_net+0x3d9/0x990 [ 51.207882] ? down_read_killable+0x1d7/0x4e0 [ 51.208542] ? __pfx_setup_net+0x10/0x10 [ 51.209102] ? copy_net_ns+0x17c/0x770 [ 51.209692] copy_net_ns+0x321/0x770 [ 51.210222] create_new_namespaces+0x3f6/0xb30 [ 51.210898] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.211612] ksys_unshare+0x44d/0x8e0 [ 51.212153] ? __pfx_ksys_unshare+0x10/0x10 [ 51.212787] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.213586] __x64_sys_unshare+0x31/0x40 [ 51.214151] do_syscall_64+0x3f/0x90 [ 51.214708] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.215448] RIP: 0033:0x7f88dc9aa0d7 [ 51.215964] 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 [ 51.218233] RSP: 002b:00007ffeb6f0bc28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.219220] RAX: ffffffffffffffda RBX: 00007ffeb6f0c268 RCX: 00007f88dc9aa0d7 [ 51.220188] RDX: 00007f88dca1441f RSI: 00007ffeb6f0bbc0 RDI: 0000000040000000 [ 51.221126] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb6f0b9d0 [ 51.222055] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f88dcabcbf0 [ 51.222985] R13: 00007ffeb6f0bd00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.223949] [ 51.224265] irq event stamp: 8873 [ 51.224745] hardirqs last enabled at (8885): [] __up_console_sem+0x78/0x80 [ 51.225885] hardirqs last disabled at (8896): [] __up_console_sem+0x5d/0x80 [ 51.227014] softirqs last enabled at (8406): [] irq_exit_rcu+0x93/0xc0 [ 51.228114] softirqs last disabled at (8401): [] irq_exit_rcu+0x93/0xc0 [ 51.229194] ---[ end trace 0000000000000000 ]--- [ 51.235024] ------------[ cut here ]------------ [ 51.235681] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.237804] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.238928] Modules linked in: [ 51.239398] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.240637] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.241740] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.242467] 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 [ 51.244811] RSP: 0018:ffff88800f117c00 EFLAGS: 00010282 [ 51.245549] RAX: 0000000000000000 RBX: ffff88800d6f8e40 RCX: 0000000000000000 [ 51.246494] RDX: ffff88800ec7d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.247441] RBP: ffff88800d6f8e54 R08: 0000000000000001 R09: 0000000000000000 [ 51.248396] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.249363] R13: ffffffff84e23fe0 R14: ffff88800d6f8e48 R15: ffffffff84da7d60 [ 51.250325] FS: 00005555567a3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.251392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.252146] CR2: 00007f8996d756f4 CR3: 0000000009aae000 CR4: 0000000000350ef0 [ 51.253111] Call Trace: [ 51.253498] [ 51.253813] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.254517] ipv6_frags_init_net+0x206/0x3c0 [ 51.255113] ops_init+0xbb/0x6b0 [ 51.255651] setup_net+0x3d9/0x990 [ 51.256147] ? down_read_killable+0x1d7/0x4e0 [ 51.256790] ? __pfx_setup_net+0x10/0x10 [ 51.257375] ? copy_net_ns+0x17c/0x770 [ 51.257922] copy_net_ns+0x321/0x770 [ 51.258474] create_new_namespaces+0x3f6/0xb30 [ 51.259124] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.259823] ksys_unshare+0x44d/0x8e0 [ 51.260383] ? __pfx_ksys_unshare+0x10/0x10 [ 51.260967] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.261761] __x64_sys_unshare+0x31/0x40 [ 51.262326] do_syscall_64+0x3f/0x90 [ 51.262815] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.263505] RIP: 0033:0x7f88dc9aa0d7 [ 51.264010] 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 [ 51.266339] RSP: 002b:00007ffeb6f0bc28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.267364] RAX: ffffffffffffffda RBX: 00007ffeb6f0c268 RCX: 00007f88dc9aa0d7 [ 51.268351] RDX: 00007f88dca1441f RSI: 00007ffeb6f0bbc0 RDI: 0000000040000000 [ 51.269306] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb6f0b9d0 [ 51.270220] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f88dcabcbf0 [ 51.271167] R13: 00007ffeb6f0bd00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.272154] [ 51.272512] irq event stamp: 10571 [ 51.272993] hardirqs last enabled at (10581): [] __up_console_sem+0x78/0x80 [ 51.274148] hardirqs last disabled at (10592): [] __up_console_sem+0x5d/0x80 [ 51.275318] softirqs last enabled at (10288): [] irq_exit_rcu+0x93/0xc0 [ 51.276502] softirqs last disabled at (10283): [] irq_exit_rcu+0x93/0xc0 [ 51.277613] ---[ end trace 0000000000000000 ]--- [ 51.279135] ------------[ cut here ]------------ [ 51.280620] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.283016] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.284341] Modules linked in: [ 51.284777] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.286152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.287419] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.288126] 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 [ 51.290588] RSP: 0018:ffff88800f117bf0 EFLAGS: 00010286 [ 51.291513] RAX: 0000000000000000 RBX: ffff88800d6f9440 RCX: 0000000000000000 [ 51.292602] RDX: ffff88800ec7d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.293659] RBP: ffff88800d6f9454 R08: 0000000000000001 R09: 0000000000000000 [ 51.294663] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.295655] R13: ffffffff84e23fe0 R14: ffff88800d6f9448 R15: ffffffff84db0aa0 [ 51.296623] FS: 00005555567a3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.297694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.298537] CR2: 00007f8996d756f4 CR3: 0000000009aae000 CR4: 0000000000350ef0 [ 51.299499] Call Trace: [ 51.299866] [ 51.300197] nf_ct_net_init+0x224/0x3d0 [ 51.300805] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.301474] ops_init+0xbb/0x6b0 [ 51.301968] setup_net+0x3d9/0x990 [ 51.302515] ? down_read_killable+0x1d7/0x4e0 [ 51.303133] ? __pfx_setup_net+0x10/0x10 [ 51.303756] ? copy_net_ns+0x17c/0x770 [ 51.304349] copy_net_ns+0x321/0x770 [ 51.304879] create_new_namespaces+0x3f6/0xb30 [ 51.305561] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.306232] ksys_unshare+0x44d/0x8e0 [ 51.306810] ? __pfx_ksys_unshare+0x10/0x10 [ 51.307452] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.308224] __x64_sys_unshare+0x31/0x40 [ 51.308823] do_syscall_64+0x3f/0x90 [ 51.309391] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.310095] RIP: 0033:0x7f88dc9aa0d7 [ 51.310648] 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 [ 51.313018] RSP: 002b:00007ffeb6f0bc28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.314049] RAX: ffffffffffffffda RBX: 00007ffeb6f0c268 RCX: 00007f88dc9aa0d7 [ 51.315014] RDX: 00007f88dca1441f RSI: 00007ffeb6f0bbc0 RDI: 0000000040000000 [ 51.316024] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb6f0b9d0 [ 51.316989] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f88dcabcbf0 [ 51.317966] R13: 00007ffeb6f0bd00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.318952] [ 51.319324] irq event stamp: 12043 [ 51.319818] hardirqs last enabled at (12053): [] __up_console_sem+0x78/0x80 [ 51.320998] hardirqs last disabled at (12064): [] __up_console_sem+0x5d/0x80 [ 51.322159] softirqs last enabled at (12014): [] irq_exit_rcu+0x93/0xc0 [ 51.323304] softirqs last disabled at (12009): [] irq_exit_rcu+0x93/0xc0 [ 51.324437] ---[ end trace 0000000000000000 ]--- executing program [ 52.826041] Bluetooth: hci0: command 0x0409 tx timeout [ 54.875723] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.923799] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.969341] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:05:16 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800f1175f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 00005555567a3400 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=00007f8996d756f4 CR3=0000000009aae000 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=0000000000022fc1 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] 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=00007fa2b87b7b50 CR3=0000000015aea000 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=2037313a35303a30302038312079614d XMM01=5d3035323338312e31352020205b203a XMM02=657268745f776f6c5f6761726670692f XMM03=6c61626f6c67206c656e72656b206f74 XMM04=6f6c5f676172667069203a6174616420 XMM05=2073746e696f702061746164203a6873 XMM06=347670692f74656e206c746373797320 XMM07=6c656e72656b2072656c6c616b7a7973 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000