syzkaller login: [ 37.158519] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:4104' (ECDSA) to the list of known hosts. 2023/05/17 03:14:40 fuzzer started 2023/05/17 03:14:40 dialing manager at localhost:35573 2023/05/17 03:14:40 checking machine... 2023/05/17 03:14:40 checking revisions... [ 38.137422] kmemleak: Automatic memory scanning thread ended 2023/05/17 03:14:40 testing simple program... [ 38.202321] cgroup: Unknown subsys name 'net' [ 38.299719] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.660106] audit: type=1400 audit(1684293293.514:6): 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 [ 51.744609] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.747539] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.749180] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.757758] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.759325] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.760491] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.184651] ------------[ cut here ]------------ [ 52.185344] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.187442] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.188665] Modules linked in: [ 52.189234] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.194118] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.195199] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.195906] 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 [ 52.198194] RSP: 0018:ffff88800c9b7c00 EFLAGS: 00010282 [ 52.198930] RAX: 0000000000000000 RBX: ffff8880164f4440 RCX: 0000000000000000 [ 52.199868] RDX: ffff888016990000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.200765] RBP: ffff8880164f4454 R08: 0000000000000001 R09: 0000000000000000 [ 52.201708] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.202720] R13: ffffffff84e223a0 R14: ffff8880164f4448 R15: ffffffff84d73340 [ 52.203658] FS: 0000555556bcf400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.204712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.205568] CR2: 00007f7df1e3f6f4 CR3: 0000000009834000 CR4: 0000000000350ef0 [ 52.206525] Call Trace: [ 52.206909] [ 52.207222] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.207898] ipv4_frags_init_net+0x269/0x440 [ 52.208490] ops_init+0xbb/0x6b0 [ 52.209005] setup_net+0x3d9/0x990 [ 52.209488] ? down_read_killable+0x1d7/0x4e0 [ 52.210110] ? __pfx_setup_net+0x10/0x10 [ 52.210634] ? copy_net_ns+0x17c/0x770 [ 52.211190] copy_net_ns+0x321/0x770 [ 52.211693] create_new_namespaces+0x3f6/0xb30 [ 52.212341] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.213060] ksys_unshare+0x44d/0x8e0 [ 52.213599] ? __pfx_ksys_unshare+0x10/0x10 [ 52.214212] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.215007] __x64_sys_unshare+0x31/0x40 [ 52.215547] do_syscall_64+0x3f/0x90 [ 52.216080] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.216752] RIP: 0033:0x7fba6f2230d7 [ 52.217260] 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 [ 52.219555] RSP: 002b:00007fffbd2b1688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.220551] RAX: ffffffffffffffda RBX: 00007fffbd2b1cc8 RCX: 00007fba6f2230d7 [ 52.221528] RDX: 00007fba6f28d41f RSI: 00007fffbd2b1620 RDI: 0000000040000000 [ 52.222471] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffbd2b1430 [ 52.223408] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fba6f335bf0 [ 52.224336] R13: 00007fffbd2b1760 R14: 0000000000000000 R15: 00000000000000f8 [ 52.225278] [ 52.225598] irq event stamp: 8209 [ 52.226082] hardirqs last enabled at (8221): [] __up_console_sem+0x78/0x80 [ 52.227173] hardirqs last disabled at (8232): [] __up_console_sem+0x5d/0x80 [ 52.228263] softirqs last enabled at (7756): [] irq_exit_rcu+0x93/0xc0 [ 52.229320] softirqs last disabled at (7751): [] irq_exit_rcu+0x93/0xc0 [ 52.230387] ---[ end trace 0000000000000000 ]--- [ 52.237170] ------------[ cut here ]------------ [ 52.237896] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.239579] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.240669] Modules linked in: [ 52.241130] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.242333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.243397] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.244075] 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 [ 52.246306] RSP: 0018:ffff88800c9b7c00 EFLAGS: 00010282 [ 52.247001] RAX: 0000000000000000 RBX: ffff888014500840 RCX: 0000000000000000 [ 52.247908] RDX: ffff888016990000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.248772] RBP: ffff888014500854 R08: 0000000000000001 R09: 0000000000000000 [ 52.249687] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.250588] R13: ffffffff84e223a0 R14: ffff888014500848 R15: ffffffff84da62e0 [ 52.251500] FS: 0000555556bcf400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.252513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.253262] CR2: 00007f7df1e3f6f4 CR3: 0000000009834000 CR4: 0000000000350ef0 [ 52.254171] Call Trace: [ 52.254501] [ 52.254842] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.255453] ipv6_frags_init_net+0x206/0x3c0 [ 52.256053] ops_init+0xbb/0x6b0 [ 52.256510] setup_net+0x3d9/0x990 [ 52.257010] ? down_read_killable+0x1d7/0x4e0 [ 52.257614] ? __pfx_setup_net+0x10/0x10 [ 52.258164] ? copy_net_ns+0x17c/0x770 [ 52.258676] copy_net_ns+0x321/0x770 [ 52.259197] create_new_namespaces+0x3f6/0xb30 [ 52.259825] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.260446] ksys_unshare+0x44d/0x8e0 [ 52.260972] ? __pfx_ksys_unshare+0x10/0x10 [ 52.261529] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.262270] __x64_sys_unshare+0x31/0x40 [ 52.262780] do_syscall_64+0x3f/0x90 [ 52.263285] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.263957] RIP: 0033:0x7fba6f2230d7 [ 52.264420] 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 [ 52.266595] RSP: 002b:00007fffbd2b1688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.267560] RAX: ffffffffffffffda RBX: 00007fffbd2b1cc8 RCX: 00007fba6f2230d7 [ 52.268456] RDX: 00007fba6f28d41f RSI: 00007fffbd2b1620 RDI: 0000000040000000 [ 52.269334] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffbd2b1430 [ 52.270240] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fba6f335bf0 [ 52.271122] R13: 00007fffbd2b1760 R14: 0000000000000000 R15: 00000000000000f8 [ 52.272043] [ 52.272342] irq event stamp: 10297 [ 52.272771] hardirqs last enabled at (10307): [] __up_console_sem+0x78/0x80 [ 52.273878] hardirqs last disabled at (10320): [] __up_console_sem+0x5d/0x80 [ 52.274957] softirqs last enabled at (9780): [] irq_exit_rcu+0x93/0xc0 [ 52.276000] softirqs last disabled at (9757): [] irq_exit_rcu+0x93/0xc0 [ 52.277186] ---[ end trace 0000000000000000 ]--- [ 52.278731] ------------[ cut here ]------------ [ 52.279458] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.281761] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.283061] Modules linked in: [ 52.283551] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.284918] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.286148] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.286973] 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 [ 52.289651] RSP: 0018:ffff88800c9b7bf0 EFLAGS: 00010286 [ 52.290481] RAX: 0000000000000000 RBX: ffff888014500240 RCX: 0000000000000000 [ 52.291551] RDX: ffff888016990000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.292626] RBP: ffff888014500254 R08: 0000000000000001 R09: 0000000000000000 [ 52.293698] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.294778] R13: ffffffff84e223a0 R14: ffff888014500248 R15: ffffffff84daf020 [ 52.295872] FS: 0000555556bcf400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.297083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.297976] CR2: 00007f7df1e3f6f4 CR3: 0000000009834000 CR4: 0000000000350ef0 [ 52.299042] Call Trace: [ 52.299431] [ 52.299787] nf_ct_net_init+0x224/0x3d0 [ 52.300451] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.301179] ops_init+0xbb/0x6b0 [ 52.301733] setup_net+0x3d9/0x990 [ 52.302305] ? down_read_killable+0x1d7/0x4e0 [ 52.303019] ? __pfx_setup_net+0x10/0x10 [ 52.303617] ? copy_net_ns+0x17c/0x770 [ 52.304266] copy_net_ns+0x321/0x770 [ 52.304882] create_new_namespaces+0x3f6/0xb30 [ 52.305597] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.306377] ksys_unshare+0x44d/0x8e0 [ 52.307004] ? __pfx_ksys_unshare+0x10/0x10 [ 52.307653] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.308530] __x64_sys_unshare+0x31/0x40 [ 52.309185] do_syscall_64+0x3f/0x90 [ 52.309764] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.310564] RIP: 0033:0x7fba6f2230d7 [ 52.311160] 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 [ 52.313786] RSP: 002b:00007fffbd2b1688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.314950] RAX: ffffffffffffffda RBX: 00007fffbd2b1cc8 RCX: 00007fba6f2230d7 [ 52.316010] RDX: 00007fba6f28d41f RSI: 00007fffbd2b1620 RDI: 0000000040000000 [ 52.317072] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffbd2b1430 [ 52.318134] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fba6f335bf0 [ 52.319198] R13: 00007fffbd2b1760 R14: 0000000000000000 R15: 00000000000000f8 [ 52.320287] [ 52.320647] irq event stamp: 11045 [ 52.321202] hardirqs last enabled at (11057): [] __up_console_sem+0x78/0x80 [ 52.322500] hardirqs last disabled at (11068): [] __up_console_sem+0x5d/0x80 [ 52.323768] softirqs last enabled at (10682): [] irq_exit_rcu+0x93/0xc0 [ 52.325000] softirqs last disabled at (10677): [] irq_exit_rcu+0x93/0xc0 [ 52.326188] ---[ end trace 0000000000000000 ]--- executing program [ 53.825610] Bluetooth: hci0: command 0x0409 tx timeout [ 55.872887] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.920910] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.968872] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:14:53 Registers: info registers vcpu 0 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800c9b75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555556bcf400 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=00007f7df1e3f6f4 CR3=0000000009834000 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=000000000002fd4d RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007f44d2667610 CR3=000000000f082000 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=0000000000000000000000ff000000ff XMM02=0000000000000000000000ff000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=312e36322020205b3e343c0030653200 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000