Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:48416' (ECDSA) to the list of known hosts. 2023/05/16 21:24:12 fuzzer started 2023/05/16 21:24:13 dialing manager at localhost:35573 2023/05/16 21:24:13 checking machine... 2023/05/16 21:24:13 checking revisions... syzkaller login: [ 35.817649] kmemleak: Automatic memory scanning thread ended 2023/05/16 21:24:13 testing simple program... [ 35.879815] cgroup: Unknown subsys name 'net' [ 35.955121] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 47.402087] audit: type=1400 audit(1684272264.780:6): avc: denied { execmem } for pid=256 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 [ 48.488718] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 48.491649] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 48.493170] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 48.507742] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 48.509570] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 48.511182] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 48.871927] ------------[ cut here ]------------ [ 48.872599] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 48.874256] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.875390] Modules linked in: [ 48.875830] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 48.880438] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.881788] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.882446] 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 [ 48.884743] RSP: 0018:ffff88801e827c00 EFLAGS: 00010282 [ 48.885405] RAX: 0000000000000000 RBX: ffff88800e69e040 RCX: 0000000000000000 [ 48.886310] RDX: ffff88800deab680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 48.887223] RBP: ffff88800e69e054 R08: 0000000000000001 R09: 0000000000000000 [ 48.888132] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 48.889017] R13: ffffffff84e223a0 R14: ffff88800e69e048 R15: ffffffff84d73340 [ 48.889937] FS: 0000555556294400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 48.890963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.891726] CR2: 00007f2ce63516f4 CR3: 0000000019c52000 CR4: 0000000000350ee0 [ 48.892643] Call Trace: [ 48.892987] [ 48.893294] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 48.893950] ipv4_frags_init_net+0x269/0x440 [ 48.894550] ops_init+0xbb/0x6b0 [ 48.895011] setup_net+0x3d9/0x990 [ 48.895508] ? down_read_killable+0x1d7/0x4e0 [ 48.896090] ? __pfx_setup_net+0x10/0x10 [ 48.896628] ? copy_net_ns+0x17c/0x770 [ 48.897147] copy_net_ns+0x321/0x770 [ 48.897665] create_new_namespaces+0x3f6/0xb30 [ 48.898254] unshare_nsproxy_namespaces+0xc1/0x200 [ 48.898932] ksys_unshare+0x44d/0x8e0 [ 48.899433] ? __pfx_ksys_unshare+0x10/0x10 [ 48.900022] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 48.900780] __x64_sys_unshare+0x31/0x40 [ 48.901305] do_syscall_64+0x3f/0x90 [ 48.901814] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 48.902457] RIP: 0033:0x7f8b460970d7 [ 48.902969] 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 [ 48.905175] RSP: 002b:00007ffed4129218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 48.906134] RAX: ffffffffffffffda RBX: 00007ffed4129858 RCX: 00007f8b460970d7 [ 48.907069] RDX: 00007f8b4610141f RSI: 00007ffed41291b0 RDI: 0000000040000000 [ 48.907964] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed4128fc0 [ 48.908865] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8b461a9bf0 [ 48.909770] R13: 00007ffed41292f0 R14: 0000000000000000 R15: 00000000000000f8 [ 48.910692] [ 48.911014] irq event stamp: 8899 [ 48.911453] hardirqs last enabled at (8909): [] __up_console_sem+0x78/0x80 [ 48.912541] hardirqs last disabled at (8922): [] __up_console_sem+0x5d/0x80 [ 48.913620] softirqs last enabled at (8464): [] irq_exit_rcu+0x93/0xc0 [ 48.914687] softirqs last disabled at (8451): [] irq_exit_rcu+0x93/0xc0 [ 48.915748] ---[ end trace 0000000000000000 ]--- [ 48.920882] ------------[ cut here ]------------ [ 48.921514] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 48.923278] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.924366] Modules linked in: [ 48.924820] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 48.925979] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.927011] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.927690] 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 [ 48.929870] RSP: 0018:ffff88801e827c00 EFLAGS: 00010282 [ 48.930571] RAX: 0000000000000000 RBX: ffff888009a1c040 RCX: 0000000000000000 [ 48.931450] RDX: ffff88800deab680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 48.932339] RBP: ffff888009a1c054 R08: 0000000000000001 R09: 0000000000000000 [ 48.933257] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 48.934145] R13: ffffffff84e223a0 R14: ffff888009a1c048 R15: ffffffff84da62e0 [ 48.935061] FS: 0000555556294400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 48.936069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.936824] CR2: 00007f2ce63516f4 CR3: 0000000019c52000 CR4: 0000000000350ee0 [ 48.937715] Call Trace: [ 48.938051] [ 48.938356] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 48.939018] ipv6_frags_init_net+0x206/0x3c0 [ 48.939615] ops_init+0xbb/0x6b0 [ 48.940065] setup_net+0x3d9/0x990 [ 48.940564] ? down_read_killable+0x1d7/0x4e0 [ 48.941141] ? __pfx_setup_net+0x10/0x10 [ 48.941688] ? copy_net_ns+0x17c/0x770 [ 48.942203] copy_net_ns+0x321/0x770 [ 48.942723] create_new_namespaces+0x3f6/0xb30 [ 48.943341] unshare_nsproxy_namespaces+0xc1/0x200 [ 48.943997] ksys_unshare+0x44d/0x8e0 [ 48.944523] ? __pfx_ksys_unshare+0x10/0x10 [ 48.945082] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 48.945828] __x64_sys_unshare+0x31/0x40 [ 48.946351] do_syscall_64+0x3f/0x90 [ 48.946875] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 48.947731] RIP: 0033:0x7f8b460970d7 [ 48.948326] 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 [ 48.950561] RSP: 002b:00007ffed4129218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 48.951437] RAX: ffffffffffffffda RBX: 00007ffed4129858 RCX: 00007f8b460970d7 [ 48.952291] RDX: 00007f8b4610141f RSI: 00007ffed41291b0 RDI: 0000000040000000 [ 48.953139] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed4128fc0 [ 48.953976] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8b461a9bf0 [ 48.954837] R13: 00007ffed41292f0 R14: 0000000000000000 R15: 00000000000000f8 [ 48.955712] [ 48.956003] irq event stamp: 10507 [ 48.956410] hardirqs last enabled at (10517): [] __up_console_sem+0x78/0x80 [ 48.957418] hardirqs last disabled at (10528): [] __up_console_sem+0x5d/0x80 [ 48.958421] softirqs last enabled at (9690): [] irq_exit_rcu+0x93/0xc0 [ 48.959420] softirqs last disabled at (9663): [] irq_exit_rcu+0x93/0xc0 [ 48.960453] ---[ end trace 0000000000000000 ]--- [ 48.961828] ------------[ cut here ]------------ [ 48.962412] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 48.964500] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.965542] Modules linked in: [ 48.965949] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 48.967112] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.968136] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.968812] 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 [ 48.971005] RSP: 0018:ffff88801e827bf0 EFLAGS: 00010286 [ 48.971696] RAX: 0000000000000000 RBX: ffff88800f685c40 RCX: 0000000000000000 [ 48.972576] RDX: ffff88800deab680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 48.973438] RBP: ffff88800f685c54 R08: 0000000000000001 R09: 0000000000000000 [ 48.974341] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 48.975251] R13: ffffffff84e223a0 R14: ffff88800f685c48 R15: ffffffff84daf020 [ 48.976161] FS: 0000555556294400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 48.977188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.977930] CR2: 00007f2ce63516f4 CR3: 0000000019c52000 CR4: 0000000000350ee0 [ 48.978843] Call Trace: [ 48.979176] [ 48.979511] nf_ct_net_init+0x224/0x3d0 [ 48.980026] ? __pfx_nf_ct_net_init+0x10/0x10 [ 48.980620] ops_init+0xbb/0x6b0 [ 48.981064] setup_net+0x3d9/0x990 [ 48.981553] ? down_read_killable+0x1d7/0x4e0 [ 48.982120] ? __pfx_setup_net+0x10/0x10 [ 48.982659] ? copy_net_ns+0x17c/0x770 [ 48.983191] copy_net_ns+0x321/0x770 [ 48.983704] create_new_namespaces+0x3f6/0xb30 [ 48.984298] unshare_nsproxy_namespaces+0xc1/0x200 [ 48.984957] ksys_unshare+0x44d/0x8e0 [ 48.985456] ? __pfx_ksys_unshare+0x10/0x10 [ 48.986039] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 48.986788] __x64_sys_unshare+0x31/0x40 [ 48.987305] do_syscall_64+0x3f/0x90 [ 48.987816] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 48.988489] RIP: 0033:0x7f8b460970d7 [ 48.988952] 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 [ 48.991160] RSP: 002b:00007ffed4129218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 48.992126] RAX: ffffffffffffffda RBX: 00007ffed4129858 RCX: 00007f8b460970d7 [ 48.993029] RDX: 00007f8b4610141f RSI: 00007ffed41291b0 RDI: 0000000040000000 [ 48.993912] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed4128fc0 [ 48.994816] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8b461a9bf0 [ 48.995710] R13: 00007ffed41292f0 R14: 0000000000000000 R15: 00000000000000f8 [ 48.996634] [ 48.996940] irq event stamp: 11329 [ 48.997372] hardirqs last enabled at (11339): [] __up_console_sem+0x78/0x80 [ 48.998442] hardirqs last disabled at (11350): [] __up_console_sem+0x5d/0x80 [ 48.999525] softirqs last enabled at (11146): [] irq_exit_rcu+0x93/0xc0 [ 49.000579] softirqs last disabled at (11137): [] irq_exit_rcu+0x93/0xc0 [ 49.001614] ---[ end trace 0000000000000000 ]--- [ 50.577174] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 52.624525] Bluetooth: hci0: command 0x041b tx timeout executing program [ 54.672533] Bluetooth: hci0: command 0x040f tx timeout executing program [ 56.720542] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 21:24:25 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff844c6787 RDX=0000000000034c67 RSI=0000000000034c67 RDI=ffffffff865aca64 RBP=ffff88806ce09af8 RSP=ffff88806ce09a30 R8 =0000000000000000 R9 =ffffffff860ae2b0 R10=0000000000038001 R11=ffff88806ce09ae0 R12=ffff88806ce09b00 R13=ffff88806ce09ae8 R14=ffff88806ce09ae1 R15=ffff88806ce09aa0 RIP=ffffffff8113146a RFL=00000213 [----A-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 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=00007f7a5ad26220 CR3=000000000dfc0000 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=2036323a34323a31322036312079614d XMM01=5d3033383537382e38342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732036 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801e8275f0 R8 =0000000000000007 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000005 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 0000555556294400 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=00007f2ce63516f4 CR3=0000000019c52000 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