Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:38468' (ECDSA) to the list of known hosts. 2023/05/16 23:12:38 fuzzer started 2023/05/16 23:12:39 dialing manager at localhost:35573 2023/05/16 23:12:39 checking machine... 2023/05/16 23:12:39 checking revisions... syzkaller login: [ 55.826384] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:12:39 testing simple program... [ 55.903313] cgroup: Unknown subsys name 'net' [ 55.983455] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 67.674265] audit: type=1400 audit(1684278771.335:6): avc: denied { execmem } for pid=264 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 [ 68.801155] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.803776] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.805123] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.808393] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.810483] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.811644] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.242115] ------------[ cut here ]------------ [ 69.242891] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 69.244938] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.246106] Modules linked in: [ 69.246582] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.251335] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.252606] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.253502] 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 [ 69.255821] RSP: 0018:ffff88801a157c00 EFLAGS: 00010282 [ 69.256579] RAX: 0000000000000000 RBX: ffff888015e92040 RCX: 0000000000000000 [ 69.257602] RDX: ffff8880147b8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.258558] RBP: ffff888015e92054 R08: 0000000000000001 R09: 0000000000000000 [ 69.259569] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 69.260574] R13: ffffffff84e223a0 R14: ffff888015e92048 R15: ffffffff84d73340 [ 69.261512] FS: 0000555556255400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.262591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.263400] CR2: 00007f4a0357b6f4 CR3: 0000000010268000 CR4: 0000000000350ee0 [ 69.264349] Call Trace: [ 69.264741] [ 69.265080] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 69.265775] ipv4_frags_init_net+0x269/0x440 [ 69.266382] ops_init+0xbb/0x6b0 [ 69.266899] setup_net+0x3d9/0x990 [ 69.267391] ? down_read_killable+0x1d7/0x4e0 [ 69.268035] ? __pfx_setup_net+0x10/0x10 [ 69.268589] ? copy_net_ns+0x17c/0x770 [ 69.269180] copy_net_ns+0x321/0x770 [ 69.269744] create_new_namespaces+0x3f6/0xb30 [ 69.270383] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.271086] ksys_unshare+0x44d/0x8e0 [ 69.271627] ? __pfx_ksys_unshare+0x10/0x10 [ 69.272253] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.273056] __x64_sys_unshare+0x31/0x40 [ 69.273621] do_syscall_64+0x3f/0x90 [ 69.274183] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.274910] RIP: 0033:0x7efed1d0e0d7 [ 69.275414] 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 [ 69.277783] RSP: 002b:00007fffdda835a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.278829] RAX: ffffffffffffffda RBX: 00007fffdda83be8 RCX: 00007efed1d0e0d7 [ 69.279805] RDX: 00007efed1d7841f RSI: 00007fffdda83540 RDI: 0000000040000000 [ 69.280820] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdda83350 [ 69.281843] R10: 0000000000000000 R11: 0000000000000202 R12: 00007efed1e20bf0 [ 69.282886] R13: 00007fffdda83680 R14: 0000000000000000 R15: 00000000000000f8 [ 69.283828] [ 69.284140] irq event stamp: 10105 [ 69.284591] hardirqs last enabled at (10115): [] __up_console_sem+0x78/0x80 [ 69.285775] hardirqs last disabled at (10126): [] __up_console_sem+0x5d/0x80 [ 69.286890] softirqs last enabled at (9674): [] irq_exit_rcu+0x93/0xc0 [ 69.287958] softirqs last disabled at (9657): [] irq_exit_rcu+0x93/0xc0 [ 69.289018] ---[ end trace 0000000000000000 ]--- [ 69.295508] ------------[ cut here ]------------ [ 69.296170] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 69.298152] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.299295] Modules linked in: [ 69.299780] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.301031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.302130] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.302863] 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 [ 69.305187] RSP: 0018:ffff88801a157c00 EFLAGS: 00010282 [ 69.305948] RAX: 0000000000000000 RBX: ffff88800da18e40 RCX: 0000000000000000 [ 69.306908] RDX: ffff8880147b8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.307855] RBP: ffff88800da18e54 R08: 0000000000000001 R09: 0000000000000000 [ 69.308814] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.309760] R13: ffffffff84e223a0 R14: ffff88800da18e48 R15: ffffffff84da62e0 [ 69.310730] FS: 0000555556255400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.311820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.312603] CR2: 00007f4a0357b6f4 CR3: 0000000010268000 CR4: 0000000000350ee0 [ 69.313577] Call Trace: [ 69.313989] [ 69.314312] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 69.315053] ipv6_frags_init_net+0x206/0x3c0 [ 69.315661] ops_init+0xbb/0x6b0 [ 69.316181] setup_net+0x3d9/0x990 [ 69.316684] ? down_read_killable+0x1d7/0x4e0 [ 69.317345] ? __pfx_setup_net+0x10/0x10 [ 69.317951] ? copy_net_ns+0x17c/0x770 [ 69.318503] copy_net_ns+0x321/0x770 [ 69.319085] create_new_namespaces+0x3f6/0xb30 [ 69.319785] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.320479] ksys_unshare+0x44d/0x8e0 [ 69.321060] ? __pfx_ksys_unshare+0x10/0x10 [ 69.321661] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.322435] __x64_sys_unshare+0x31/0x40 [ 69.323027] do_syscall_64+0x3f/0x90 [ 69.323512] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.324215] RIP: 0033:0x7efed1d0e0d7 [ 69.324733] 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 [ 69.327048] RSP: 002b:00007fffdda835a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.328104] RAX: ffffffffffffffda RBX: 00007fffdda83be8 RCX: 00007efed1d0e0d7 [ 69.329071] RDX: 00007efed1d7841f RSI: 00007fffdda83540 RDI: 0000000040000000 [ 69.330082] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdda83350 [ 69.331074] R10: 0000000000000000 R11: 0000000000000202 R12: 00007efed1e20bf0 [ 69.332057] R13: 00007fffdda83680 R14: 0000000000000000 R15: 00000000000000f8 [ 69.333053] [ 69.333400] irq event stamp: 12223 [ 69.333974] hardirqs last enabled at (12245): [] __up_console_sem+0x78/0x80 [ 69.335154] hardirqs last disabled at (12256): [] __up_console_sem+0x5d/0x80 [ 69.336324] softirqs last enabled at (12240): [] irq_exit_rcu+0x93/0xc0 [ 69.337478] softirqs last disabled at (12231): [] irq_exit_rcu+0x93/0xc0 [ 69.338638] ---[ end trace 0000000000000000 ]--- [ 69.340220] ------------[ cut here ]------------ [ 69.340899] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 69.343097] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.344327] Modules linked in: [ 69.344827] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.346090] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.347198] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.347912] 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 [ 69.350222] RSP: 0018:ffff88801a157bf0 EFLAGS: 00010286 [ 69.350970] RAX: 0000000000000000 RBX: ffff888013a21840 RCX: 0000000000000000 [ 69.351928] RDX: ffff8880147b8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.352872] RBP: ffff888013a21854 R08: 0000000000000001 R09: 0000000000000000 [ 69.353858] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.354828] R13: ffffffff84e223a0 R14: ffff888013a21848 R15: ffffffff84daf020 [ 69.355805] FS: 0000555556255400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.356877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.357663] CR2: 00007f4a0357b6f4 CR3: 0000000010268000 CR4: 0000000000350ee0 [ 69.358599] Call Trace: [ 69.358965] [ 69.359310] nf_ct_net_init+0x224/0x3d0 [ 69.359911] ? __pfx_nf_ct_net_init+0x10/0x10 [ 69.360556] ops_init+0xbb/0x6b0 [ 69.361058] setup_net+0x3d9/0x990 [ 69.361551] ? down_read_killable+0x1d7/0x4e0 [ 69.362256] ? __pfx_setup_net+0x10/0x10 [ 69.362865] ? copy_net_ns+0x17c/0x770 [ 69.363474] copy_net_ns+0x321/0x770 [ 69.364034] create_new_namespaces+0x3f6/0xb30 [ 69.364686] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.365370] ksys_unshare+0x44d/0x8e0 [ 69.365997] ? __pfx_ksys_unshare+0x10/0x10 [ 69.366597] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.367437] __x64_sys_unshare+0x31/0x40 [ 69.368023] do_syscall_64+0x3f/0x90 [ 69.368544] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.369267] RIP: 0033:0x7efed1d0e0d7 [ 69.369832] 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 [ 69.372253] RSP: 002b:00007fffdda835a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.373331] RAX: ffffffffffffffda RBX: 00007fffdda83be8 RCX: 00007efed1d0e0d7 [ 69.374324] RDX: 00007efed1d7841f RSI: 00007fffdda83540 RDI: 0000000040000000 [ 69.375325] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdda83350 [ 69.376306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007efed1e20bf0 [ 69.377290] R13: 00007fffdda83680 R14: 0000000000000000 R15: 00000000000000f8 [ 69.378237] [ 69.378540] irq event stamp: 13023 [ 69.379042] hardirqs last enabled at (13035): [] __up_console_sem+0x78/0x80 [ 69.380180] hardirqs last disabled at (13046): [] __up_console_sem+0x5d/0x80 [ 69.381326] softirqs last enabled at (12634): [] irq_exit_rcu+0x93/0xc0 [ 69.382463] softirqs last disabled at (12629): [] irq_exit_rcu+0x93/0xc0 [ 69.383609] ---[ end trace 0000000000000000 ]--- executing program [ 70.886286] Bluetooth: hci0: command 0x0409 tx timeout [ 72.934113] Bluetooth: hci0: command 0x041b tx timeout executing program [ 74.981769] Bluetooth: hci0: command 0x040f tx timeout executing program [ 77.029807] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 23:12:33 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff81532d6b RDX=1ffff11002ba4b74 RSI=0000000000000008 RDI=ffffffff85d34a10 RBP=ffffffff818a1919 RSP=ffff888015b8f898 R8 =0000000000000001 R9 =ffff888015d25ba8 R10=ffffffff85d34a17 R11=0000000000000001 R12=ffff88800b53a768 R13=0000000000000200 R14=0000000000000000 R15=ffff88800b53a758 RIP=ffffffff818112d8 RFL=00000056 [---ZAP-] 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 00007f13d2043900 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=00007f13d144ba30 CR3=0000000015cc0000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=0013ad65119292df0000000000110db8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=388051cc2851abfe00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a1575f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556255400 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=00007f4a0357b6f4 CR3=0000000010268000 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