Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:29123' (ECDSA) to the list of known hosts. 2023/05/18 05:44:43 fuzzer started 2023/05/18 05:44:43 dialing manager at localhost:44319 2023/05/18 05:44:43 checking machine... 2023/05/18 05:44:43 checking revisions... syzkaller login: [ 43.221370] kmemleak: Automatic memory scanning thread ended 2023/05/18 05:44:43 testing simple program... [ 43.292210] cgroup: Unknown subsys name 'net' [ 43.359494] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.794634] audit: type=1400 audit(1684388698.250:6): 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 executing program [ 58.905827] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.908568] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.909722] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.917592] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.919652] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.920759] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.305377] ------------[ cut here ]------------ [ 59.306048] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.308281] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.309456] Modules linked in: [ 59.309868] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.314811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.315923] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.316683] 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 [ 59.318937] RSP: 0018:ffff888019d8fc00 EFLAGS: 00010282 [ 59.319713] RAX: 0000000000000000 RBX: ffff88800ddfb440 RCX: 0000000000000000 [ 59.320701] RDX: ffff8880165051c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.321707] RBP: ffff88800ddfb454 R08: 0000000000000001 R09: 0000000000000000 [ 59.322693] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.323678] R13: ffffffff84e23fe0 R14: ffff88800ddfb448 R15: ffffffff84d74dc0 [ 59.324632] FS: 0000555555b87400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.325646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.326384] CR2: 00007f61f62f56f4 CR3: 000000000e5cc000 CR4: 0000000000350ee0 [ 59.327280] Call Trace: [ 59.327606] [ 59.327901] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.328545] ipv4_frags_init_net+0x269/0x440 [ 59.329145] ops_init+0xbb/0x6b0 [ 59.329592] setup_net+0x3d9/0x990 [ 59.330086] ? down_read_killable+0x1d7/0x4e0 [ 59.330654] ? __pfx_setup_net+0x10/0x10 [ 59.331201] ? copy_net_ns+0x17c/0x770 [ 59.331705] copy_net_ns+0x321/0x770 [ 59.332221] create_new_namespaces+0x3f6/0xb30 [ 59.332805] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.333470] ksys_unshare+0x44d/0x8e0 [ 59.333964] ? __pfx_ksys_unshare+0x10/0x10 [ 59.334545] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.335283] __x64_sys_unshare+0x31/0x40 [ 59.335798] do_syscall_64+0x3f/0x90 [ 59.336303] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.336944] RIP: 0033:0x7fb075d060d7 [ 59.337456] 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 [ 59.339611] RSP: 002b:00007ffe9027e728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.340572] RAX: ffffffffffffffda RBX: 00007ffe9027ed68 RCX: 00007fb075d060d7 [ 59.341487] RDX: 00007fb075d7041f RSI: 00007ffe9027e6c0 RDI: 0000000040000000 [ 59.342394] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9027e4d0 [ 59.343276] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb075e18bf0 [ 59.344164] R13: 00007ffe9027e800 R14: 0000000000000000 R15: 00000000000000f8 [ 59.345082] [ 59.345385] irq event stamp: 8391 [ 59.345807] hardirqs last enabled at (8401): [] __up_console_sem+0x78/0x80 [ 59.346868] hardirqs last disabled at (8412): [] __up_console_sem+0x5d/0x80 [ 59.347942] softirqs last enabled at (8038): [] irq_exit_rcu+0x93/0xc0 [ 59.349001] softirqs last disabled at (8017): [] irq_exit_rcu+0x93/0xc0 [ 59.350049] ---[ end trace 0000000000000000 ]--- [ 59.355968] ------------[ cut here ]------------ [ 59.356613] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.358280] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.359336] Modules linked in: [ 59.359741] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.360899] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.361952] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.362635] 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 [ 59.364853] RSP: 0018:ffff888019d8fc00 EFLAGS: 00010282 [ 59.365552] RAX: 0000000000000000 RBX: ffff88800d741440 RCX: 0000000000000000 [ 59.366451] RDX: ffff8880165051c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.367336] RBP: ffff88800d741454 R08: 0000000000000001 R09: 0000000000000000 [ 59.368228] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.369140] R13: ffffffff84e23fe0 R14: ffff88800d741448 R15: ffffffff84da7d60 [ 59.370035] FS: 0000555555b87400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.371026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.371726] CR2: 00007f61f62f56f4 CR3: 000000000e5cc000 CR4: 0000000000350ee0 [ 59.372624] Call Trace: [ 59.372949] [ 59.373292] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.373922] ipv6_frags_init_net+0x206/0x3c0 [ 59.374513] ops_init+0xbb/0x6b0 [ 59.375007] setup_net+0x3d9/0x990 [ 59.375461] ? down_read_killable+0x1d7/0x4e0 [ 59.376063] ? __pfx_setup_net+0x10/0x10 [ 59.376569] ? copy_net_ns+0x17c/0x770 [ 59.377134] copy_net_ns+0x321/0x770 [ 59.377625] create_new_namespaces+0x3f6/0xb30 [ 59.378238] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.378867] ksys_unshare+0x44d/0x8e0 [ 59.379387] ? __pfx_ksys_unshare+0x10/0x10 [ 59.379938] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.380683] __x64_sys_unshare+0x31/0x40 [ 59.381244] do_syscall_64+0x3f/0x90 [ 59.381734] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.382406] RIP: 0033:0x7fb075d060d7 [ 59.382870] 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 [ 59.385057] RSP: 002b:00007ffe9027e728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.385971] RAX: ffffffffffffffda RBX: 00007ffe9027ed68 RCX: 00007fb075d060d7 [ 59.386871] RDX: 00007fb075d7041f RSI: 00007ffe9027e6c0 RDI: 0000000040000000 [ 59.387771] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9027e4d0 [ 59.388665] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb075e18bf0 [ 59.389553] R13: 00007ffe9027e800 R14: 0000000000000000 R15: 00000000000000f8 [ 59.390470] [ 59.390767] irq event stamp: 10467 [ 59.391231] hardirqs last enabled at (10479): [] __up_console_sem+0x78/0x80 [ 59.392294] hardirqs last disabled at (10490): [] __up_console_sem+0x5d/0x80 [ 59.393361] softirqs last enabled at (9678): [] irq_exit_rcu+0x93/0xc0 [ 59.394399] softirqs last disabled at (9655): [] irq_exit_rcu+0x93/0xc0 [ 59.395433] ---[ end trace 0000000000000000 ]--- [ 59.396793] ------------[ cut here ]------------ [ 59.397443] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.399413] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.400483] Modules linked in: [ 59.400888] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.402065] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.403076] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.403716] 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 [ 59.405934] RSP: 0018:ffff888019d8fbf0 EFLAGS: 00010286 [ 59.406618] RAX: 0000000000000000 RBX: ffff888009bd6a40 RCX: 0000000000000000 [ 59.407515] RDX: ffff8880165051c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.408411] RBP: ffff888009bd6a54 R08: 0000000000000001 R09: 0000000000000000 [ 59.409324] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.410232] R13: ffffffff84e23fe0 R14: ffff888009bd6a48 R15: ffffffff84db0aa0 [ 59.411128] FS: 0000555555b87400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.412147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.412865] CR2: 00007f61f62f56f4 CR3: 000000000e5cc000 CR4: 0000000000350ee0 [ 59.413784] Call Trace: [ 59.414151] [ 59.414452] nf_ct_net_init+0x224/0x3d0 [ 59.415007] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.415586] ops_init+0xbb/0x6b0 [ 59.416071] setup_net+0x3d9/0x990 [ 59.416526] ? down_read_killable+0x1d7/0x4e0 [ 59.417137] ? __pfx_setup_net+0x10/0x10 [ 59.417645] ? copy_net_ns+0x17c/0x770 [ 59.418188] copy_net_ns+0x321/0x770 [ 59.418677] create_new_namespaces+0x3f6/0xb30 [ 59.419292] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.419912] ksys_unshare+0x44d/0x8e0 [ 59.420432] ? __pfx_ksys_unshare+0x10/0x10 [ 59.421016] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.421750] __x64_sys_unshare+0x31/0x40 [ 59.422303] do_syscall_64+0x3f/0x90 [ 59.422778] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.423458] RIP: 0033:0x7fb075d060d7 [ 59.423921] 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 [ 59.426130] RSP: 002b:00007ffe9027e728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.427087] RAX: ffffffffffffffda RBX: 00007ffe9027ed68 RCX: 00007fb075d060d7 [ 59.427959] RDX: 00007fb075d7041f RSI: 00007ffe9027e6c0 RDI: 0000000040000000 [ 59.428857] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9027e4d0 [ 59.429759] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb075e18bf0 [ 59.430658] R13: 00007ffe9027e800 R14: 0000000000000000 R15: 00000000000000f8 [ 59.431577] [ 59.431878] irq event stamp: 11245 [ 59.432349] hardirqs last enabled at (11257): [] __up_console_sem+0x78/0x80 [ 59.433450] hardirqs last disabled at (11268): [] __up_console_sem+0x5d/0x80 [ 59.434522] softirqs last enabled at (10944): [] irq_exit_rcu+0x93/0xc0 [ 59.435562] softirqs last disabled at (10939): [] irq_exit_rcu+0x93/0xc0 [ 59.436601] ---[ end trace 0000000000000000 ]--- [ 60.986564] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.033054] Bluetooth: hci0: command 0x041b tx timeout executing program [ 65.081042] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.129110] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 05:44:53 Registers: info registers vcpu 0 RAX=0000000000022711 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=00007ff1c54ea430 CR3=000000000c6e8000 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=2039353a34343a35302038312079614d XMM01=5d3834303630332e39352020205b203a 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 info registers vcpu 1 RAX=000000000000006e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888019d8f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006e R11=0000000000000001 R12=000000000000006e 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 0000555555b87400 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=00007f61f62f56f4 CR3=000000000e5cc000 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