syzkaller login: [ 37.830263] sshd (211) used greatest stack depth: 24168 bytes left Warning: Permanently added '[localhost]:43140' (ECDSA) to the list of known hosts. 2023/05/17 19:03:53 fuzzer started 2023/05/17 19:03:54 dialing manager at localhost:44319 2023/05/17 19:03:54 checking machine... 2023/05/17 19:03:54 checking revisions... [ 42.752674] kmemleak: Automatic memory scanning thread ended 2023/05/17 19:03:54 testing simple program... [ 42.819958] cgroup: Unknown subsys name 'net' [ 42.894192] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.885408] audit: type=1400 audit(1684350248.580:6): avc: denied { execmem } for pid=258 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 [ 57.998869] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.001003] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.003545] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.007295] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.009692] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.010849] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.400780] ------------[ cut here ]------------ [ 58.401612] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.403356] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.404455] Modules linked in: [ 58.404881] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.409916] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.411187] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.411844] 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 [ 58.414214] RSP: 0018:ffff88801e837c00 EFLAGS: 00010282 [ 58.414873] RAX: 0000000000000000 RBX: ffff88800eda7c40 RCX: 0000000000000000 [ 58.415815] RDX: ffff888016d551c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.416718] RBP: ffff88800eda7c54 R08: 0000000000000001 R09: 0000000000000000 [ 58.417637] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.418534] R13: ffffffff84e23fe0 R14: ffff88800eda7c48 R15: ffffffff84d74dc0 [ 58.419429] FS: 0000555556adf400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.420445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.421215] CR2: 00007ff701f6c1f0 CR3: 0000000016766000 CR4: 0000000000350ef0 [ 58.422082] Call Trace: [ 58.422455] [ 58.422752] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.423398] ipv4_frags_init_net+0x269/0x440 [ 58.423965] ops_init+0xbb/0x6b0 [ 58.424450] setup_net+0x3d9/0x990 [ 58.424910] ? down_read_killable+0x1d7/0x4e0 [ 58.425545] ? __pfx_setup_net+0x10/0x10 [ 58.426060] ? copy_net_ns+0x17c/0x770 [ 58.426608] copy_net_ns+0x321/0x770 [ 58.427124] create_new_namespaces+0x3f6/0xb30 [ 58.427710] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.428360] ksys_unshare+0x44d/0x8e0 [ 58.428857] ? __pfx_ksys_unshare+0x10/0x10 [ 58.429457] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.430239] __x64_sys_unshare+0x31/0x40 [ 58.430781] do_syscall_64+0x3f/0x90 [ 58.431299] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.431947] RIP: 0033:0x7f8d913e70d7 [ 58.432452] 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 [ 58.434745] RSP: 002b:00007ffca5b277d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.435713] RAX: ffffffffffffffda RBX: 00007ffca5b27e18 RCX: 00007f8d913e70d7 [ 58.436611] RDX: 00007f8d9145141f RSI: 00007ffca5b27770 RDI: 0000000040000000 [ 58.437528] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca5b27580 [ 58.438439] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8d914f9bf0 [ 58.439349] R13: 00007ffca5b278b0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.440265] [ 58.440570] irq event stamp: 8259 [ 58.440998] hardirqs last enabled at (8269): [] __up_console_sem+0x78/0x80 [ 58.442119] hardirqs last disabled at (8282): [] __up_console_sem+0x5d/0x80 [ 58.443185] softirqs last enabled at (8166): [] irq_exit_rcu+0x93/0xc0 [ 58.444217] softirqs last disabled at (8161): [] irq_exit_rcu+0x93/0xc0 [ 58.445273] ---[ end trace 0000000000000000 ]--- [ 58.454681] ------------[ cut here ]------------ [ 58.455550] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.457306] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.458396] Modules linked in: [ 58.458849] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.460245] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.461468] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.462308] 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 [ 58.464826] RSP: 0018:ffff88801e837c00 EFLAGS: 00010282 [ 58.465715] RAX: 0000000000000000 RBX: ffff88800ec43040 RCX: 0000000000000000 [ 58.466837] RDX: ffff888016d551c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.467970] RBP: ffff88800ec43054 R08: 0000000000000001 R09: 0000000000000000 [ 58.469131] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.470283] R13: ffffffff84e23fe0 R14: ffff88800ec43048 R15: ffffffff84da7d60 [ 58.471404] FS: 0000555556adf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.472618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.473549] CR2: 00007f99eb979cc0 CR3: 0000000016766000 CR4: 0000000000350ee0 [ 58.474628] Call Trace: [ 58.474991] [ 58.475426] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.476152] ipv6_frags_init_net+0x206/0x3c0 [ 58.476772] ops_init+0xbb/0x6b0 [ 58.477317] setup_net+0x3d9/0x990 [ 58.477822] ? down_read_killable+0x1d7/0x4e0 [ 58.478492] ? __pfx_setup_net+0x10/0x10 [ 58.479056] ? copy_net_ns+0x17c/0x770 [ 58.479675] copy_net_ns+0x321/0x770 [ 58.480275] create_new_namespaces+0x3f6/0xb30 [ 58.480926] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.481675] ksys_unshare+0x44d/0x8e0 [ 58.482250] ? __pfx_ksys_unshare+0x10/0x10 [ 58.482856] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.483695] __x64_sys_unshare+0x31/0x40 [ 58.484311] do_syscall_64+0x3f/0x90 [ 58.484840] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.485607] RIP: 0033:0x7f8d913e70d7 [ 58.486158] 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 [ 58.488544] RSP: 002b:00007ffca5b277d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.489622] RAX: ffffffffffffffda RBX: 00007ffca5b27e18 RCX: 00007f8d913e70d7 [ 58.490652] RDX: 00007f8d9145141f RSI: 00007ffca5b27770 RDI: 0000000040000000 [ 58.491665] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca5b27580 [ 58.492693] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8d914f9bf0 [ 58.493732] R13: 00007ffca5b278b0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.494784] [ 58.495162] irq event stamp: 11453 [ 58.495659] hardirqs last enabled at (11463): [] __up_console_sem+0x78/0x80 [ 58.496895] hardirqs last disabled at (11474): [] __up_console_sem+0x5d/0x80 [ 58.498159] softirqs last enabled at (11154): [] irq_exit_rcu+0x93/0xc0 [ 58.499356] softirqs last disabled at (11131): [] irq_exit_rcu+0x93/0xc0 [ 58.500565] ---[ end trace 0000000000000000 ]--- [ 58.502062] ------------[ cut here ]------------ [ 58.502793] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.504970] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.506230] Modules linked in: [ 58.506693] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.508030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.509213] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.509955] 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 [ 58.512443] RSP: 0018:ffff88801e837bf0 EFLAGS: 00010286 [ 58.513254] RAX: 0000000000000000 RBX: ffff88800ec43840 RCX: 0000000000000000 [ 58.514283] RDX: ffff888016d551c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.515318] RBP: ffff88800ec43854 R08: 0000000000000001 R09: 0000000000000000 [ 58.516341] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.517379] R13: ffffffff84e23fe0 R14: ffff88800ec43848 R15: ffffffff84db0aa0 [ 58.518408] FS: 0000555556adf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.519551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.520404] CR2: 00007f99eb979cc0 CR3: 0000000016766000 CR4: 0000000000350ee0 [ 58.521441] Call Trace: [ 58.521811] [ 58.522207] nf_ct_net_init+0x224/0x3d0 [ 58.522795] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.523484] ops_init+0xbb/0x6b0 [ 58.523994] setup_net+0x3d9/0x990 [ 58.524560] ? down_read_killable+0x1d7/0x4e0 [ 58.525270] ? __pfx_setup_net+0x10/0x10 [ 58.525859] ? copy_net_ns+0x17c/0x770 [ 58.526489] copy_net_ns+0x321/0x770 [ 58.527039] create_new_namespaces+0x3f6/0xb30 [ 58.527749] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.528496] ksys_unshare+0x44d/0x8e0 [ 58.529056] ? __pfx_ksys_unshare+0x10/0x10 [ 58.529742] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.530605] __x64_sys_unshare+0x31/0x40 [ 58.531225] do_syscall_64+0x3f/0x90 [ 58.531754] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.532515] RIP: 0033:0x7f8d913e70d7 [ 58.533024] 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 [ 58.535498] RSP: 002b:00007ffca5b277d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.536599] RAX: ffffffffffffffda RBX: 00007ffca5b27e18 RCX: 00007f8d913e70d7 [ 58.537615] RDX: 00007f8d9145141f RSI: 00007ffca5b27770 RDI: 0000000040000000 [ 58.538637] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca5b27580 [ 58.539672] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8d914f9bf0 [ 58.540702] R13: 00007ffca5b278b0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.541766] [ 58.542145] irq event stamp: 12215 [ 58.542644] hardirqs last enabled at (12225): [] __up_console_sem+0x78/0x80 [ 58.543868] hardirqs last disabled at (12236): [] __up_console_sem+0x5d/0x80 [ 58.545123] softirqs last enabled at (12120): [] irq_exit_rcu+0x93/0xc0 [ 58.546375] softirqs last disabled at (12115): [] irq_exit_rcu+0x93/0xc0 [ 58.547581] ---[ end trace 0000000000000000 ]--- [ 60.082625] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.130227] Bluetooth: hci0: command 0x041b tx timeout executing program [ 64.178156] Bluetooth: hci0: command 0x040f tx timeout [ 66.226186] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:04:03 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801e8375f0 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 0000555556adf400 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=00007ff701f6c1f0 CR3=0000000016766000 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=000000000003dc5b 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=00000202 [-------] 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=00007f99eb9cd0a0 CR3=000000000d95a000 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=2030313a34303a39312037312079614d XMM01=5d3535343430342e38352020205b203a XMM02=646f4d205d3535343430342e38352020 XMM03=6b7a79732030313a34303a3931203731 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3635333330342e38352020205b XMM07=79732030313a34303a39312037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000