Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:17306' (ECDSA) to the list of known hosts. 2023/05/17 18:06:08 fuzzer started 2023/05/17 18:06:08 dialing manager at localhost:44319 2023/05/17 18:06:08 checking machine... 2023/05/17 18:06:08 checking revisions... syzkaller login: [ 36.274991] kmemleak: Automatic memory scanning thread ended 2023/05/17 18:06:09 testing simple program... [ 36.341802] cgroup: Unknown subsys name 'net' [ 36.430223] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.825101] audit: type=1400 audit(1684346781.628:6): 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 [ 49.974011] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.976253] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.977684] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.988003] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.989874] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.991123] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.401027] ------------[ cut here ]------------ [ 50.401697] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.403353] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.404440] Modules linked in: [ 50.404923] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.409943] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.411059] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.411852] 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 [ 50.414229] RSP: 0018:ffff888019c2fc00 EFLAGS: 00010282 [ 50.415028] RAX: 0000000000000000 RBX: ffff88800c47e440 RCX: 0000000000000000 [ 50.416070] RDX: ffff888016b6d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.417136] RBP: ffff88800c47e454 R08: 0000000000000001 R09: 0000000000000000 [ 50.418156] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.419162] R13: ffffffff84e23fe0 R14: ffff88800c47e448 R15: ffffffff84d74dc0 [ 50.420172] FS: 00005555566c9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.421360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.422286] CR2: 00007fd32feaf6f4 CR3: 0000000016c94000 CR4: 0000000000350ee0 [ 50.423266] Call Trace: [ 50.423643] [ 50.423948] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.424617] ipv4_frags_init_net+0x269/0x440 [ 50.425214] ops_init+0xbb/0x6b0 [ 50.425708] setup_net+0x3d9/0x990 [ 50.426172] ? down_read_killable+0x1d7/0x4e0 [ 50.426788] ? __pfx_setup_net+0x10/0x10 [ 50.427311] ? copy_net_ns+0x17c/0x770 [ 50.427864] copy_net_ns+0x321/0x770 [ 50.428356] create_new_namespaces+0x3f6/0xb30 [ 50.428987] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.429658] ksys_unshare+0x44d/0x8e0 [ 50.430163] ? __pfx_ksys_unshare+0x10/0x10 [ 50.430760] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.431523] __x64_sys_unshare+0x31/0x40 [ 50.432048] do_syscall_64+0x3f/0x90 [ 50.432573] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.433256] RIP: 0033:0x7ff9e2ca90d7 [ 50.433777] 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 [ 50.435999] RSP: 002b:00007ffe8aefdc88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.436979] RAX: ffffffffffffffda RBX: 00007ffe8aefe2c8 RCX: 00007ff9e2ca90d7 [ 50.437897] RDX: 00007ff9e2d1341f RSI: 00007ffe8aefdc20 RDI: 0000000040000000 [ 50.438804] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe8aefda30 [ 50.439721] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff9e2dbbbf0 [ 50.440645] R13: 00007ffe8aefdd60 R14: 0000000000000000 R15: 00000000000000f8 [ 50.441605] [ 50.441913] irq event stamp: 9287 [ 50.442342] hardirqs last enabled at (9297): [] __up_console_sem+0x78/0x80 [ 50.443462] hardirqs last disabled at (9310): [] __up_console_sem+0x5d/0x80 [ 50.444557] softirqs last enabled at (8970): [] irq_exit_rcu+0x93/0xc0 [ 50.445635] softirqs last disabled at (8953): [] irq_exit_rcu+0x93/0xc0 [ 50.446693] ---[ end trace 0000000000000000 ]--- [ 50.451748] ------------[ cut here ]------------ [ 50.452358] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.454057] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.455162] Modules linked in: [ 50.455617] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.456797] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.457855] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.458549] 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 [ 50.460778] RSP: 0018:ffff888019c2fc00 EFLAGS: 00010282 [ 50.461514] RAX: 0000000000000000 RBX: ffff888013aae840 RCX: 0000000000000000 [ 50.462443] RDX: ffff888016b6d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.463318] RBP: ffff888013aae854 R08: 0000000000000001 R09: 0000000000000000 [ 50.464253] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.465179] R13: ffffffff84e23fe0 R14: ffff888013aae848 R15: ffffffff84da7d60 [ 50.466112] FS: 00005555566c9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.467125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.467896] CR2: 00007fd32feaf6f4 CR3: 0000000016c94000 CR4: 0000000000350ee0 [ 50.468795] Call Trace: [ 50.469125] [ 50.469466] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.470096] ipv6_frags_init_net+0x206/0x3c0 [ 50.470702] ops_init+0xbb/0x6b0 [ 50.471164] setup_net+0x3d9/0x990 [ 50.471665] ? down_read_killable+0x1d7/0x4e0 [ 50.472251] ? __pfx_setup_net+0x10/0x10 [ 50.472807] ? copy_net_ns+0x17c/0x770 [ 50.473348] copy_net_ns+0x321/0x770 [ 50.473883] create_new_namespaces+0x3f6/0xb30 [ 50.474511] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.475141] ksys_unshare+0x44d/0x8e0 [ 50.475670] ? __pfx_ksys_unshare+0x10/0x10 [ 50.476233] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.476995] __x64_sys_unshare+0x31/0x40 [ 50.477563] do_syscall_64+0x3f/0x90 [ 50.478056] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.478752] RIP: 0033:0x7ff9e2ca90d7 [ 50.479231] 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 [ 50.481453] RSP: 002b:00007ffe8aefdc88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.482419] RAX: ffffffffffffffda RBX: 00007ffe8aefe2c8 RCX: 00007ff9e2ca90d7 [ 50.483294] RDX: 00007ff9e2d1341f RSI: 00007ffe8aefdc20 RDI: 0000000040000000 [ 50.484221] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe8aefda30 [ 50.485130] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff9e2dbbbf0 [ 50.486071] R13: 00007ffe8aefdd60 R14: 0000000000000000 R15: 00000000000000f8 [ 50.487006] [ 50.487316] irq event stamp: 11033 [ 50.487795] hardirqs last enabled at (11045): [] __up_console_sem+0x78/0x80 [ 50.488875] hardirqs last disabled at (11056): [] __up_console_sem+0x5d/0x80 [ 50.490008] softirqs last enabled at (10638): [] irq_exit_rcu+0x93/0xc0 [ 50.491087] softirqs last disabled at (10629): [] irq_exit_rcu+0x93/0xc0 [ 50.492162] ---[ end trace 0000000000000000 ]--- [ 50.493662] ------------[ cut here ]------------ [ 50.494275] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.496205] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.497313] Modules linked in: [ 50.497780] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.498958] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.500013] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.500708] 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 [ 50.502940] RSP: 0018:ffff888019c2fbf0 EFLAGS: 00010286 [ 50.503652] RAX: 0000000000000000 RBX: ffff888013aaf040 RCX: 0000000000000000 [ 50.504571] RDX: ffff888016b6d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.505504] RBP: ffff888013aaf054 R08: 0000000000000001 R09: 0000000000000000 [ 50.506421] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.507324] R13: ffffffff84e23fe0 R14: ffff888013aaf048 R15: ffffffff84db0aa0 [ 50.508269] FS: 00005555566c9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.509346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.510106] CR2: 00007fd32feaf6f4 CR3: 0000000016c94000 CR4: 0000000000350ee0 [ 50.511028] Call Trace: [ 50.511403] [ 50.511712] nf_ct_net_init+0x224/0x3d0 [ 50.512239] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.512868] ops_init+0xbb/0x6b0 [ 50.513335] setup_net+0x3d9/0x990 [ 50.513837] ? down_read_killable+0x1d7/0x4e0 [ 50.514452] ? __pfx_setup_net+0x10/0x10 [ 50.514988] ? copy_net_ns+0x17c/0x770 [ 50.515555] copy_net_ns+0x321/0x770 [ 50.516056] create_new_namespaces+0x3f6/0xb30 [ 50.516699] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.517336] ksys_unshare+0x44d/0x8e0 [ 50.517878] ? __pfx_ksys_unshare+0x10/0x10 [ 50.518513] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.519243] __x64_sys_unshare+0x31/0x40 [ 50.519809] do_syscall_64+0x3f/0x90 [ 50.520298] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.520990] RIP: 0033:0x7ff9e2ca90d7 [ 50.521531] 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 [ 50.523762] RSP: 002b:00007ffe8aefdc88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.524757] RAX: ffffffffffffffda RBX: 00007ffe8aefe2c8 RCX: 00007ff9e2ca90d7 [ 50.525699] RDX: 00007ff9e2d1341f RSI: 00007ffe8aefdc20 RDI: 0000000040000000 [ 50.526628] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe8aefda30 [ 50.527549] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff9e2dbbbf0 [ 50.528465] R13: 00007ffe8aefdd60 R14: 0000000000000000 R15: 00000000000000f8 [ 50.529435] [ 50.529742] irq event stamp: 11801 [ 50.530182] hardirqs last enabled at (11811): [] __up_console_sem+0x78/0x80 [ 50.531288] hardirqs last disabled at (11822): [] __up_console_sem+0x5d/0x80 [ 50.532401] softirqs last enabled at (11726): [] irq_exit_rcu+0x93/0xc0 [ 50.533481] softirqs last disabled at (11721): [] irq_exit_rcu+0x93/0xc0 [ 50.534549] ---[ end trace 0000000000000000 ]--- executing program [ 52.054896] Bluetooth: hci0: command 0x0409 tx timeout [ 54.104527] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.150511] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.198499] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 18:06:23 Registers: info registers vcpu 0 RAX=1ffff1100d9c135b RBX=ffff88806ce09ad8 RCX=0000000000000000 RDX=0000000000000000 RSI=00000000000396c0 RDI=ffff88806ce09b08 RBP=ffff888008c00000 RSP=ffff88806ce099f0 R8 =dffffc0000000000 R9 =0000000000000000 R10=ffff888008e04180 R11=0000000000000000 R12=0000000000000001 R13=ffff88806ce09b10 R14=0000000000000000 R15=00000000000066d5 RIP=ffffffff81268577 RFL=00000212 [----A--] 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=00007fc24b3d9de0 CR3=000000000f610000 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=2033323a36303a38312037312079614d XMM01=5d3335333330342e30352020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3335333330342e30352020205b XMM07=79732033323a36303a38312037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888019c2f5f0 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 00005555566c9400 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=00007fd32feaf6f4 CR3=0000000016c94000 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