syzkaller login: [ 46.761933] sshd (210) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:53550' (ECDSA) to the list of known hosts. 2023/05/18 06:02:11 fuzzer started 2023/05/18 06:02:11 dialing manager at localhost:44319 2023/05/18 06:02:11 checking machine... 2023/05/18 06:02:11 checking revisions... [ 51.866833] kmemleak: Automatic memory scanning thread ended 2023/05/18 06:02:11 testing simple program... [ 51.932624] cgroup: Unknown subsys name 'net' [ 52.030223] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 64.741706] audit: type=1400 audit(1684389744.644:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 65.856461] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 65.858071] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 65.861022] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 65.867366] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 65.869274] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 65.871693] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 66.265752] ------------[ cut here ]------------ [ 66.266583] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 66.268569] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.269868] Modules linked in: [ 66.270424] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 66.275000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.276063] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.276772] 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 [ 66.279156] RSP: 0018:ffff88800dd27c00 EFLAGS: 00010282 [ 66.279848] RAX: 0000000000000000 RBX: ffff88800c933c40 RCX: 0000000000000000 [ 66.280796] RDX: ffff88801815b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 66.281737] RBP: ffff88800c933c54 R08: 0000000000000001 R09: 0000000000000000 [ 66.282711] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 66.283667] R13: ffffffff84e23fe0 R14: ffff88800c933c48 R15: ffffffff84d74dc0 [ 66.284599] FS: 000055555705d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 66.285633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.286423] CR2: 00007f838b2fe6f4 CR3: 000000000eef0000 CR4: 0000000000350ee0 [ 66.287355] Call Trace: [ 66.287692] [ 66.287997] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 66.288666] ipv4_frags_init_net+0x269/0x440 [ 66.289288] ops_init+0xbb/0x6b0 [ 66.289757] setup_net+0x3d9/0x990 [ 66.290289] ? down_read_killable+0x1d7/0x4e0 [ 66.290877] ? __pfx_setup_net+0x10/0x10 [ 66.291442] ? copy_net_ns+0x17c/0x770 [ 66.291963] copy_net_ns+0x321/0x770 [ 66.292499] create_new_namespaces+0x3f6/0xb30 [ 66.293106] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.293778] ksys_unshare+0x44d/0x8e0 [ 66.294327] ? __pfx_ksys_unshare+0x10/0x10 [ 66.294900] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.295668] __x64_sys_unshare+0x31/0x40 [ 66.296240] do_syscall_64+0x3f/0x90 [ 66.296738] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.297451] RIP: 0033:0x7f29bcce10d7 [ 66.297934] 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 [ 66.300212] RSP: 002b:00007ffe3015f258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 66.301191] RAX: ffffffffffffffda RBX: 00007ffe3015f898 RCX: 00007f29bcce10d7 [ 66.302083] RDX: 00007f29bcd4b41f RSI: 00007ffe3015f1f0 RDI: 0000000040000000 [ 66.303045] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe3015f000 [ 66.303953] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f29bcdf3bf0 [ 66.304893] R13: 00007ffe3015f330 R14: 0000000000000000 R15: 00000000000000f8 [ 66.305842] [ 66.306184] irq event stamp: 7821 [ 66.306634] hardirqs last enabled at (7831): [] __up_console_sem+0x78/0x80 [ 66.307740] hardirqs last disabled at (7842): [] __up_console_sem+0x5d/0x80 [ 66.308839] softirqs last enabled at (7390): [] irq_exit_rcu+0x93/0xc0 [ 66.309892] softirqs last disabled at (7385): [] irq_exit_rcu+0x93/0xc0 [ 66.310971] ---[ end trace 0000000000000000 ]--- [ 66.316564] ------------[ cut here ]------------ [ 66.317232] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 66.318933] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.320052] Modules linked in: [ 66.320505] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 66.321728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.322813] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.323531] 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 [ 66.325772] RSP: 0018:ffff88800dd27c00 EFLAGS: 00010282 [ 66.326481] RAX: 0000000000000000 RBX: ffff88800df68640 RCX: 0000000000000000 [ 66.327360] RDX: ffff88801815b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 66.328245] RBP: ffff88800df68654 R08: 0000000000000001 R09: 0000000000000000 [ 66.329092] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 66.329979] R13: ffffffff84e23fe0 R14: ffff88800df68648 R15: ffffffff84da7d60 [ 66.330874] FS: 000055555705d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 66.331873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.332619] CR2: 00007f838b2fe6f4 CR3: 000000000eef0000 CR4: 0000000000350ee0 [ 66.333521] Call Trace: [ 66.333845] [ 66.334172] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 66.334807] ipv6_frags_init_net+0x206/0x3c0 [ 66.335409] ops_init+0xbb/0x6b0 [ 66.335859] setup_net+0x3d9/0x990 [ 66.336346] ? down_read_killable+0x1d7/0x4e0 [ 66.336925] ? __pfx_setup_net+0x10/0x10 [ 66.337460] ? copy_net_ns+0x17c/0x770 [ 66.337971] copy_net_ns+0x321/0x770 [ 66.338490] create_new_namespaces+0x3f6/0xb30 [ 66.339075] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.339729] ksys_unshare+0x44d/0x8e0 [ 66.340244] ? __pfx_ksys_unshare+0x10/0x10 [ 66.340791] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.341525] __x64_sys_unshare+0x31/0x40 [ 66.342041] do_syscall_64+0x3f/0x90 [ 66.342564] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.343243] RIP: 0033:0x7f29bcce10d7 [ 66.343700] 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 [ 66.345860] RSP: 002b:00007ffe3015f258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 66.346835] RAX: ffffffffffffffda RBX: 00007ffe3015f898 RCX: 00007f29bcce10d7 [ 66.347716] RDX: 00007f29bcd4b41f RSI: 00007ffe3015f1f0 RDI: 0000000040000000 [ 66.348605] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe3015f000 [ 66.349505] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f29bcdf3bf0 [ 66.350393] R13: 00007ffe3015f330 R14: 0000000000000000 R15: 00000000000000f8 [ 66.351305] [ 66.351601] irq event stamp: 9753 [ 66.352019] hardirqs last enabled at (9763): [] __up_console_sem+0x78/0x80 [ 66.353074] hardirqs last disabled at (9774): [] __up_console_sem+0x5d/0x80 [ 66.354128] softirqs last enabled at (9108): [] irq_exit_rcu+0x93/0xc0 [ 66.355205] softirqs last disabled at (9103): [] irq_exit_rcu+0x93/0xc0 [ 66.356241] ---[ end trace 0000000000000000 ]--- [ 66.357571] ------------[ cut here ]------------ [ 66.358175] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 66.360050] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.361123] Modules linked in: [ 66.361550] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 66.362711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.363722] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.364403] 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 [ 66.366591] RSP: 0018:ffff88800dd27bf0 EFLAGS: 00010286 [ 66.367279] RAX: 0000000000000000 RBX: ffff88800df68040 RCX: 0000000000000000 [ 66.368127] RDX: ffff88801815b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 66.369012] RBP: ffff88800df68054 R08: 0000000000000001 R09: 0000000000000000 [ 66.369901] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 66.370792] R13: ffffffff84e23fe0 R14: ffff88800df68048 R15: ffffffff84db0aa0 [ 66.371677] FS: 000055555705d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 66.372680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.373410] CR2: 00007f838b2fe6f4 CR3: 000000000eef0000 CR4: 0000000000350ee0 [ 66.374318] Call Trace: [ 66.374641] [ 66.374936] nf_ct_net_init+0x224/0x3d0 [ 66.375492] ? __pfx_nf_ct_net_init+0x10/0x10 [ 66.376065] ops_init+0xbb/0x6b0 [ 66.376544] setup_net+0x3d9/0x990 [ 66.377003] ? down_read_killable+0x1d7/0x4e0 [ 66.377613] ? __pfx_setup_net+0x10/0x10 [ 66.378119] ? copy_net_ns+0x17c/0x770 [ 66.378680] copy_net_ns+0x321/0x770 [ 66.379193] create_new_namespaces+0x3f6/0xb30 [ 66.379777] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.380420] ksys_unshare+0x44d/0x8e0 [ 66.380909] ? __pfx_ksys_unshare+0x10/0x10 [ 66.381481] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.382219] __x64_sys_unshare+0x31/0x40 [ 66.382753] do_syscall_64+0x3f/0x90 [ 66.383258] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.383900] RIP: 0033:0x7f29bcce10d7 [ 66.384392] 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 [ 66.386596] RSP: 002b:00007ffe3015f258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 66.387552] RAX: ffffffffffffffda RBX: 00007ffe3015f898 RCX: 00007f29bcce10d7 [ 66.388433] RDX: 00007f29bcd4b41f RSI: 00007ffe3015f1f0 RDI: 0000000040000000 [ 66.389320] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe3015f000 [ 66.390201] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f29bcdf3bf0 [ 66.391065] R13: 00007ffe3015f330 R14: 0000000000000000 R15: 00000000000000f8 [ 66.391971] [ 66.392298] irq event stamp: 10543 [ 66.392728] hardirqs last enabled at (10553): [] __up_console_sem+0x78/0x80 [ 66.393794] hardirqs last disabled at (10564): [] __up_console_sem+0x5d/0x80 [ 66.394861] softirqs last enabled at (10260): [] irq_exit_rcu+0x93/0xc0 [ 66.395886] softirqs last disabled at (10255): [] irq_exit_rcu+0x93/0xc0 [ 66.396917] ---[ end trace 0000000000000000 ]--- executing program [ 67.941857] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 69.989217] Bluetooth: hci0: command 0x041b tx timeout [ 72.038197] Bluetooth: hci0: command 0x040f tx timeout executing program [ 74.085208] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:02:18 Registers: info registers vcpu 0 RAX=000000000000019f RBX=0000000000000000 RCX=00007f0fe85be08c RDX=0000000000001fa0 RSI=00007f0fe7b5ad00 RDI=0000000000000005 RBP=000055c5a065e4c0 RSP=00007f0fe7b5a4d0 R8 =0000000000000000 R9 =000055c5a065ae88 R10=0000000000000000 R11=0000000000000246 R12=00007f0fe7b5ad00 R13=0000000000001fa0 R14=00007f0fe7b5ad00 R15=00007f0fe7b5ad48 RIP=00007f0fe85be08c RFL=00000246 [---Z-P-] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f0fe7b7b700 00000000 00000000 GS =0000 0000000000000000 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=00007fccf1f152d0 CR3=00000000095fe000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=7465756c42205d3339363137382e3536 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=3137303835382e35362020205b3e3400 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800dd275f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 000055555705d400 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=00007f838b2fe6f4 CR3=000000000eef0000 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