Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:43511' (ECDSA) to the list of known hosts. 2023/05/18 00:11:50 fuzzer started 2023/05/18 00:11:50 dialing manager at localhost:44319 2023/05/18 00:11:50 checking machine... 2023/05/18 00:11:50 checking revisions... syzkaller login: [ 43.770848] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:11:50 testing simple program... [ 43.822611] cgroup: Unknown subsys name 'net' [ 43.958733] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.688593] audit: type=1400 audit(1684368722.517:6): 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 [ 56.807345] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.809176] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.811140] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.813975] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.816598] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.817810] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 57.221641] ------------[ cut here ]------------ [ 57.222302] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 57.223950] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.225024] Modules linked in: [ 57.225477] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 57.227793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.230503] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.231409] 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 [ 57.234364] RSP: 0018:ffff888015867c00 EFLAGS: 00010282 [ 57.235243] RAX: 0000000000000000 RBX: ffff888010173c40 RCX: 0000000000000000 [ 57.236413] RDX: ffff888017990000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 57.237589] RBP: ffff888010173c54 R08: 0000000000000001 R09: 0000000000000000 [ 57.238795] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.239961] R13: ffffffff84e23fe0 R14: ffff888010173c48 R15: ffffffff84d74dc0 [ 57.241150] FS: 0000555557374400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.242497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.243478] CR2: 00007fe277f326f4 CR3: 000000001a048000 CR4: 0000000000350ef0 [ 57.244639] Call Trace: [ 57.245059] [ 57.245495] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 57.246316] ipv4_frags_init_net+0x269/0x440 [ 57.247088] ops_init+0xbb/0x6b0 [ 57.247716] setup_net+0x3d9/0x990 [ 57.248317] ? down_read_killable+0x1d7/0x4e0 [ 57.249103] ? __pfx_setup_net+0x10/0x10 [ 57.249819] ? copy_net_ns+0x17c/0x770 [ 57.250556] copy_net_ns+0x321/0x770 [ 57.251193] create_new_namespaces+0x3f6/0xb30 [ 57.252010] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.252863] ksys_unshare+0x44d/0x8e0 [ 57.253557] ? __pfx_ksys_unshare+0x10/0x10 [ 57.254296] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.255279] __x64_sys_unshare+0x31/0x40 [ 57.255993] do_syscall_64+0x3f/0x90 [ 57.256656] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.257535] RIP: 0033:0x7fc688f370d7 [ 57.258137] 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 [ 57.260997] RSP: 002b:00007ffc09890878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.262227] RAX: ffffffffffffffda RBX: 00007ffc09890eb8 RCX: 00007fc688f370d7 [ 57.263232] RDX: 00007fc688fa141f RSI: 00007ffc09890810 RDI: 0000000040000000 [ 57.264118] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc09890620 [ 57.265031] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc689049bf0 [ 57.265930] R13: 00007ffc09890950 R14: 0000000000000000 R15: 00000000000000f8 [ 57.266866] [ 57.267175] irq event stamp: 10335 [ 57.267644] hardirqs last enabled at (10347): [] __up_console_sem+0x78/0x80 [ 57.268706] hardirqs last disabled at (10358): [] __up_console_sem+0x5d/0x80 [ 57.269792] softirqs last enabled at (9746): [] irq_exit_rcu+0x93/0xc0 [ 57.270837] softirqs last disabled at (9701): [] irq_exit_rcu+0x93/0xc0 [ 57.271880] ---[ end trace 0000000000000000 ]--- [ 57.277687] ------------[ cut here ]------------ [ 57.278290] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 57.280019] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.281082] Modules linked in: [ 57.281517] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 57.282676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.283677] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.284349] 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 [ 57.286547] RSP: 0018:ffff888015867c00 EFLAGS: 00010282 [ 57.287200] RAX: 0000000000000000 RBX: ffff888015bf3440 RCX: 0000000000000000 [ 57.288081] RDX: ffff888017990000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 57.288971] RBP: ffff888015bf3454 R08: 0000000000000001 R09: 0000000000000000 [ 57.289852] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.290751] R13: ffffffff84e23fe0 R14: ffff888015bf3448 R15: ffffffff84da7d60 [ 57.291641] FS: 0000555557374400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.292630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.293365] CR2: 00007fe277f326f4 CR3: 000000001a048000 CR4: 0000000000350ef0 [ 57.294226] Call Trace: [ 57.294591] [ 57.294892] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 57.295531] ipv6_frags_init_net+0x206/0x3c0 [ 57.296095] ops_init+0xbb/0x6b0 [ 57.296570] setup_net+0x3d9/0x990 [ 57.297025] ? down_read_killable+0x1d7/0x4e0 [ 57.297623] ? __pfx_setup_net+0x10/0x10 [ 57.298131] ? copy_net_ns+0x17c/0x770 [ 57.298685] copy_net_ns+0x321/0x770 [ 57.299188] create_new_namespaces+0x3f6/0xb30 [ 57.299815] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.300470] ksys_unshare+0x44d/0x8e0 [ 57.300959] ? __pfx_ksys_unshare+0x10/0x10 [ 57.301528] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.302232] __x64_sys_unshare+0x31/0x40 [ 57.302788] do_syscall_64+0x3f/0x90 [ 57.303272] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.303950] RIP: 0033:0x7fc688f370d7 [ 57.304440] 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 [ 57.306602] RSP: 002b:00007ffc09890878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.307551] RAX: ffffffffffffffda RBX: 00007ffc09890eb8 RCX: 00007fc688f370d7 [ 57.308454] RDX: 00007fc688fa141f RSI: 00007ffc09890810 RDI: 0000000040000000 [ 57.309309] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc09890620 [ 57.310193] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc689049bf0 [ 57.311101] R13: 00007ffc09890950 R14: 0000000000000000 R15: 00000000000000f8 [ 57.312015] [ 57.312344] irq event stamp: 12115 [ 57.312784] hardirqs last enabled at (12125): [] __up_console_sem+0x78/0x80 [ 57.313844] hardirqs last disabled at (12136): [] __up_console_sem+0x5d/0x80 [ 57.314919] softirqs last enabled at (11604): [] irq_exit_rcu+0x93/0xc0 [ 57.315955] softirqs last disabled at (11581): [] irq_exit_rcu+0x93/0xc0 [ 57.316978] ---[ end trace 0000000000000000 ]--- [ 57.318483] ------------[ cut here ]------------ [ 57.319066] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 57.320923] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.321972] Modules linked in: [ 57.322421] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 57.323565] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.324565] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.325201] 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 [ 57.327364] RSP: 0018:ffff888015867bf0 EFLAGS: 00010286 [ 57.328018] RAX: 0000000000000000 RBX: ffff888015bf2e40 RCX: 0000000000000000 [ 57.328911] RDX: ffff888017990000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 57.329801] RBP: ffff888015bf2e54 R08: 0000000000000001 R09: 0000000000000000 [ 57.330713] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.331599] R13: ffffffff84e23fe0 R14: ffff888015bf2e48 R15: ffffffff84db0aa0 [ 57.332490] FS: 0000555557374400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.333495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.334213] CR2: 00007fe277f326f4 CR3: 000000001a048000 CR4: 0000000000350ef0 [ 57.335115] Call Trace: [ 57.335469] [ 57.335767] nf_ct_net_init+0x224/0x3d0 [ 57.336278] ? __pfx_nf_ct_net_init+0x10/0x10 [ 57.336887] ops_init+0xbb/0x6b0 [ 57.337357] setup_net+0x3d9/0x990 [ 57.337813] ? down_read_killable+0x1d7/0x4e0 [ 57.338435] ? __pfx_setup_net+0x10/0x10 [ 57.338949] ? copy_net_ns+0x17c/0x770 [ 57.339483] copy_net_ns+0x321/0x770 [ 57.339965] create_new_namespaces+0x3f6/0xb30 [ 57.340580] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.341193] ksys_unshare+0x44d/0x8e0 [ 57.341711] ? __pfx_ksys_unshare+0x10/0x10 [ 57.342255] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.343021] __x64_sys_unshare+0x31/0x40 [ 57.343567] do_syscall_64+0x3f/0x90 [ 57.344044] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.344716] RIP: 0033:0x7fc688f370d7 [ 57.345183] 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 [ 57.347352] RSP: 002b:00007ffc09890878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.348256] RAX: ffffffffffffffda RBX: 00007ffc09890eb8 RCX: 00007fc688f370d7 [ 57.349146] RDX: 00007fc688fa141f RSI: 00007ffc09890810 RDI: 0000000040000000 [ 57.350021] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc09890620 [ 57.350910] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc689049bf0 [ 57.351799] R13: 00007ffc09890950 R14: 0000000000000000 R15: 00000000000000f8 [ 57.352901] [ 57.353258] irq event stamp: 12895 [ 57.353811] hardirqs last enabled at (12907): [] __up_console_sem+0x78/0x80 [ 57.355122] hardirqs last disabled at (12918): [] __up_console_sem+0x5d/0x80 [ 57.356406] softirqs last enabled at (12660): [] irq_exit_rcu+0x93/0xc0 [ 57.357652] softirqs last disabled at (12655): [] irq_exit_rcu+0x93/0xc0 [ 57.358912] ---[ end trace 0000000000000000 ]--- executing program [ 58.834992] Bluetooth: hci0: command 0x0409 tx timeout [ 60.882473] Bluetooth: hci0: command 0x041b tx timeout executing program [ 62.930714] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.978696] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 00:11:48 Registers: info registers vcpu 0 RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888015867620 R8 =0000000000000001 R9 =ffffed1002b0ceb5 R10=0000000000000003 R11=0000000000000001 R12=000000000000005f R13=ffffffff87f2dbc0 R14=ffffffff87f2dc10 R15=ffffffff87f2de78 RIP=ffffffff82507f45 RFL=00000006 [-----P-] 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 0000555557374400 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=00007fe277f326f4 CR3=000000001a048000 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=0000000000043d77 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=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 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=00007fe1b7f90000 CR3=000000000ec4c000 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=06f66f413cab83895b4646ebf4b04820 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=9b1c000c9884f825000000000013ce60 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=2d89a9be153962b100000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000002000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000