syzkaller login: [ 34.839221] sshd (218) used greatest stack depth: 24168 bytes left Warning: Permanently added '[localhost]:53569' (ECDSA) to the list of known hosts. 2023/05/17 01:01:07 fuzzer started 2023/05/17 01:01:07 dialing manager at localhost:35573 2023/05/17 01:01:07 checking machine... 2023/05/17 01:01:07 checking revisions... [ 36.813417] kmemleak: Automatic memory scanning thread ended 2023/05/17 01:01:07 testing simple program... [ 36.888607] cgroup: Unknown subsys name 'net' [ 36.971817] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.339327] audit: type=1400 audit(1684285280.151:6): 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 [ 50.479678] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.488204] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.489804] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.492948] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.494608] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.495865] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.885957] ------------[ cut here ]------------ [ 50.886790] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.889064] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.890376] Modules linked in: [ 50.890791] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.895804] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.896938] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.897636] 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 [ 50.899898] RSP: 0018:ffff88801a0cfc00 EFLAGS: 00010282 [ 50.900609] RAX: 0000000000000000 RBX: ffff88800e3d5040 RCX: 0000000000000000 [ 50.901551] RDX: ffff888006b53680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.902480] RBP: ffff88800e3d5054 R08: 0000000000000001 R09: 0000000000000000 [ 50.903412] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.904331] R13: ffffffff84e223a0 R14: ffff88800e3d5048 R15: ffffffff84d73340 [ 50.905257] FS: 0000555555d58400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.906297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.907058] CR2: 00007fc3f7a48f58 CR3: 0000000009780000 CR4: 0000000000350ee0 [ 50.907949] Call Trace: [ 50.908320] [ 50.908650] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.909319] ipv4_frags_init_net+0x269/0x440 [ 50.909896] ops_init+0xbb/0x6b0 [ 50.910387] setup_net+0x3d9/0x990 [ 50.910855] ? down_read_killable+0x1d7/0x4e0 [ 50.911464] ? __pfx_setup_net+0x10/0x10 [ 50.911990] ? copy_net_ns+0x17c/0x770 [ 50.912539] copy_net_ns+0x321/0x770 [ 50.913070] create_new_namespaces+0x3f6/0xb30 [ 50.913673] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.914338] ksys_unshare+0x44d/0x8e0 [ 50.914847] ? __pfx_ksys_unshare+0x10/0x10 [ 50.915434] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.916200] __x64_sys_unshare+0x31/0x40 [ 50.916747] do_syscall_64+0x3f/0x90 [ 50.917267] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.917924] RIP: 0033:0x7fadb59840d7 [ 50.918432] 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 [ 50.920696] RSP: 002b:00007ffd28141368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.921682] RAX: ffffffffffffffda RBX: 00007ffd281419a8 RCX: 00007fadb59840d7 [ 50.922589] RDX: 00007fadb59ee41f RSI: 00007ffd28141300 RDI: 0000000040000000 [ 50.923498] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd28141110 [ 50.924401] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fadb5a96bf0 [ 50.925333] R13: 00007ffd28141440 R14: 0000000000000000 R15: 00000000000000f8 [ 50.926267] [ 50.926572] irq event stamp: 7571 [ 50.927041] hardirqs last enabled at (7583): [] __up_console_sem+0x78/0x80 [ 50.928136] hardirqs last disabled at (7594): [] __up_console_sem+0x5d/0x80 [ 50.929235] softirqs last enabled at (7116): [] irq_exit_rcu+0x93/0xc0 [ 50.930285] softirqs last disabled at (7091): [] irq_exit_rcu+0x93/0xc0 [ 50.931332] ---[ end trace 0000000000000000 ]--- [ 50.936823] ------------[ cut here ]------------ [ 50.937457] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.939240] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.940323] Modules linked in: [ 50.940757] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.941938] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.942984] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.943666] 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 [ 50.945940] RSP: 0018:ffff88801a0cfc00 EFLAGS: 00010282 [ 50.946651] RAX: 0000000000000000 RBX: ffff88800c4cba40 RCX: 0000000000000000 [ 50.947583] RDX: ffff888006b53680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.948503] RBP: ffff88800c4cba54 R08: 0000000000000001 R09: 0000000000000000 [ 50.949441] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.950371] R13: ffffffff84e223a0 R14: ffff88800c4cba48 R15: ffffffff84da62e0 [ 50.951293] FS: 0000555555d58400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.952313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.953099] CR2: 00007fc3f7a48f58 CR3: 0000000009780000 CR4: 0000000000350ee0 [ 50.953982] Call Trace: [ 50.954353] [ 50.954663] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.955319] ipv6_frags_init_net+0x206/0x3c0 [ 50.955890] ops_init+0xbb/0x6b0 [ 50.956380] setup_net+0x3d9/0x990 [ 50.956869] ? down_read_killable+0x1d7/0x4e0 [ 50.957479] ? __pfx_setup_net+0x10/0x10 [ 50.958032] ? copy_net_ns+0x17c/0x770 [ 50.958548] copy_net_ns+0x321/0x770 [ 50.959071] create_new_namespaces+0x3f6/0xb30 [ 50.959675] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.960339] ksys_unshare+0x44d/0x8e0 [ 50.960866] ? __pfx_ksys_unshare+0x10/0x10 [ 50.961457] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.962233] __x64_sys_unshare+0x31/0x40 [ 50.962774] do_syscall_64+0x3f/0x90 [ 50.963295] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.963953] RIP: 0033:0x7fadb59840d7 [ 50.964461] 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 [ 50.966744] RSP: 002b:00007ffd28141368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.967719] RAX: ffffffffffffffda RBX: 00007ffd281419a8 RCX: 00007fadb59840d7 [ 50.968621] RDX: 00007fadb59ee41f RSI: 00007ffd28141300 RDI: 0000000040000000 [ 50.969578] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd28141110 [ 50.970489] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fadb5a96bf0 [ 50.971404] R13: 00007ffd28141440 R14: 0000000000000000 R15: 00000000000000f8 [ 50.972339] [ 50.972665] irq event stamp: 9251 [ 50.973136] hardirqs last enabled at (9263): [] __up_console_sem+0x78/0x80 [ 50.974219] hardirqs last disabled at (9274): [] __up_console_sem+0x5d/0x80 [ 50.975305] softirqs last enabled at (8558): [] irq_exit_rcu+0x93/0xc0 [ 50.976370] softirqs last disabled at (8511): [] irq_exit_rcu+0x93/0xc0 [ 50.977442] ---[ end trace 0000000000000000 ]--- [ 50.978787] ------------[ cut here ]------------ [ 50.979431] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.981501] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.982586] Modules linked in: [ 50.983042] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.984223] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.985299] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.985963] 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 [ 50.988217] RSP: 0018:ffff88801a0cfbf0 EFLAGS: 00010286 [ 50.988904] RAX: 0000000000000000 RBX: ffff88800c4cb240 RCX: 0000000000000000 [ 50.989827] RDX: ffff888006b53680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.990735] RBP: ffff88800c4cb254 R08: 0000000000000001 R09: 0000000000000000 [ 50.991646] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.992558] R13: ffffffff84e223a0 R14: ffff88800c4cb248 R15: ffffffff84daf020 [ 50.993497] FS: 0000555555d58400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.994529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.995299] CR2: 00007fc3f7a48f58 CR3: 0000000009780000 CR4: 0000000000350ee0 [ 50.996223] Call Trace: [ 50.996559] [ 50.996887] nf_ct_net_init+0x224/0x3d0 [ 50.997452] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.998077] ops_init+0xbb/0x6b0 [ 50.998540] setup_net+0x3d9/0x990 [ 50.999043] ? down_read_killable+0x1d7/0x4e0 [ 50.999635] ? __pfx_setup_net+0x10/0x10 [ 51.000178] ? copy_net_ns+0x17c/0x770 [ 51.000710] copy_net_ns+0x321/0x770 [ 51.001234] create_new_namespaces+0x3f6/0xb30 [ 51.001845] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.002510] ksys_unshare+0x44d/0x8e0 [ 51.003043] ? __pfx_ksys_unshare+0x10/0x10 [ 51.003613] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.004393] __x64_sys_unshare+0x31/0x40 [ 51.004960] do_syscall_64+0x3f/0x90 [ 51.005480] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.006164] RIP: 0033:0x7fadb59840d7 [ 51.006643] 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 [ 51.008901] RSP: 002b:00007ffd28141368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.009878] RAX: ffffffffffffffda RBX: 00007ffd281419a8 RCX: 00007fadb59840d7 [ 51.010794] RDX: 00007fadb59ee41f RSI: 00007ffd28141300 RDI: 0000000040000000 [ 51.011708] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd28141110 [ 51.012649] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fadb5a96bf0 [ 51.013576] R13: 00007ffd28141440 R14: 0000000000000000 R15: 00000000000000f8 [ 51.014508] [ 51.014809] irq event stamp: 10011 [ 51.015269] hardirqs last enabled at (10023): [] __up_console_sem+0x78/0x80 [ 51.016333] hardirqs last disabled at (10034): [] __up_console_sem+0x5d/0x80 [ 51.017423] softirqs last enabled at (9862): [] irq_exit_rcu+0x93/0xc0 [ 51.018465] softirqs last disabled at (9853): [] irq_exit_rcu+0x93/0xc0 [ 51.019516] ---[ end trace 0000000000000000 ]--- executing program [ 52.563730] Bluetooth: hci0: command 0x0409 tx timeout [ 54.611116] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.659092] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.707073] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:01:20 Registers: info registers vcpu 0 RAX=000000000002f8a5 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007fc3f7993290 CR3=000000000dc1e000 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=2031323a31303a31302037312079614d XMM01=5d3436303938382e30352020205b203a XMM02=74656e20746120393532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3436303938382e30352020205b XMM07=79732031323a31303a31302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000043 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a0cf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000043 R11=0000000000000001 R12=0000000000000043 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 0000555555d58400 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=00007fc3f7a48f58 CR3=0000000009780000 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