syzkaller login: [ 46.536168] sshd (225) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:3285' (ECDSA) to the list of known hosts. 2023/05/16 18:40:58 fuzzer started 2023/05/16 18:40:58 dialing manager at localhost:35573 2023/05/16 18:40:58 checking machine... 2023/05/16 18:40:58 checking revisions... [ 48.740506] kmemleak: Automatic memory scanning thread ended 2023/05/16 18:40:58 testing simple program... [ 48.813638] cgroup: Unknown subsys name 'net' [ 48.902555] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 60.610796] audit: type=1400 audit(1684262470.853:6): avc: denied { execmem } for pid=266 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 61.732097] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.734596] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.736333] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.739697] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.741995] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 61.743376] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 62.147384] ------------[ cut here ]------------ [ 62.148200] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 62.150424] WARNING: CPU: 1 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.151758] Modules linked in: [ 62.152195] CPU: 1 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.157094] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.158284] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.159083] 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 [ 62.161303] RSP: 0018:ffff88801a217c00 EFLAGS: 00010282 [ 62.161986] RAX: 0000000000000000 RBX: ffff88801018cc40 RCX: 0000000000000000 [ 62.162880] RDX: ffff88801940d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.163769] RBP: ffff88801018cc54 R08: 0000000000000001 R09: 0000000000000000 [ 62.164630] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 62.165534] R13: ffffffff84e223a0 R14: ffff88801018cc48 R15: ffffffff84d73340 [ 62.166425] FS: 0000555557511400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 62.167435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.168171] CR2: 00007f6c55aa46f4 CR3: 00000000182d6000 CR4: 0000000000350ee0 [ 62.169094] Call Trace: [ 62.169422] [ 62.169753] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 62.170366] ipv4_frags_init_net+0x269/0x440 [ 62.170957] ops_init+0xbb/0x6b0 [ 62.171428] setup_net+0x3d9/0x990 [ 62.171916] ? down_read_killable+0x1d7/0x4e0 [ 62.172486] ? __pfx_setup_net+0x10/0x10 [ 62.173020] ? copy_net_ns+0x17c/0x770 [ 62.173532] copy_net_ns+0x321/0x770 [ 62.174050] create_new_namespaces+0x3f6/0xb30 [ 62.174641] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.175292] ksys_unshare+0x44d/0x8e0 [ 62.175819] ? __pfx_ksys_unshare+0x10/0x10 [ 62.176379] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.177135] __x64_sys_unshare+0x31/0x40 [ 62.177650] do_syscall_64+0x3f/0x90 [ 62.178172] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.178841] RIP: 0033:0x7fe54e6a60d7 [ 62.179320] 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 [ 62.181524] RSP: 002b:00007ffed9af15b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 62.182506] RAX: ffffffffffffffda RBX: 00007ffed9af1bf8 RCX: 00007fe54e6a60d7 [ 62.183429] RDX: 00007fe54e71041f RSI: 00007ffed9af1550 RDI: 0000000040000000 [ 62.184330] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed9af1360 [ 62.185221] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe54e7b8bf0 [ 62.186107] R13: 00007ffed9af1690 R14: 0000000000000000 R15: 00000000000000f8 [ 62.187040] [ 62.187348] irq event stamp: 8261 [ 62.187802] hardirqs last enabled at (8273): [] __up_console_sem+0x78/0x80 [ 62.188866] hardirqs last disabled at (8284): [] __up_console_sem+0x5d/0x80 [ 62.189933] softirqs last enabled at (7820): [] irq_exit_rcu+0x93/0xc0 [ 62.190974] softirqs last disabled at (7765): [] irq_exit_rcu+0x93/0xc0 [ 62.192034] ---[ end trace 0000000000000000 ]--- [ 62.197487] ------------[ cut here ]------------ [ 62.198115] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 62.199884] WARNING: CPU: 1 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.200983] Modules linked in: [ 62.201415] CPU: 1 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.202604] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.203631] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.204323] 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 [ 62.206548] RSP: 0018:ffff88801a217c00 EFLAGS: 00010282 [ 62.207267] RAX: 0000000000000000 RBX: ffff88800c6e3640 RCX: 0000000000000000 [ 62.208174] RDX: ffff88801940d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.209083] RBP: ffff88800c6e3654 R08: 0000000000000001 R09: 0000000000000000 [ 62.209992] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 62.210910] R13: ffffffff84e223a0 R14: ffff88800c6e3648 R15: ffffffff84da62e0 [ 62.211826] FS: 0000555557511400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 62.212840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.213555] CR2: 00007f6c55aa46f4 CR3: 00000000182d6000 CR4: 0000000000350ee0 [ 62.214463] Call Trace: [ 62.214824] [ 62.215125] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 62.215779] ipv6_frags_init_net+0x206/0x3c0 [ 62.216343] ops_init+0xbb/0x6b0 [ 62.216824] setup_net+0x3d9/0x990 [ 62.217281] ? down_read_killable+0x1d7/0x4e0 [ 62.217882] ? __pfx_setup_net+0x10/0x10 [ 62.218391] ? copy_net_ns+0x17c/0x770 [ 62.218931] copy_net_ns+0x321/0x770 [ 62.219437] create_new_namespaces+0x3f6/0xb30 [ 62.220052] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.220677] ksys_unshare+0x44d/0x8e0 [ 62.221201] ? __pfx_ksys_unshare+0x10/0x10 [ 62.221789] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.222512] __x64_sys_unshare+0x31/0x40 [ 62.223071] do_syscall_64+0x3f/0x90 [ 62.223563] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.224235] RIP: 0033:0x7fe54e6a60d7 [ 62.224739] 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 [ 62.226934] RSP: 002b:00007ffed9af15b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 62.227901] RAX: ffffffffffffffda RBX: 00007ffed9af1bf8 RCX: 00007fe54e6a60d7 [ 62.228789] RDX: 00007fe54e71041f RSI: 00007ffed9af1550 RDI: 0000000040000000 [ 62.229671] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed9af1360 [ 62.230563] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe54e7b8bf0 [ 62.231473] R13: 00007ffed9af1690 R14: 0000000000000000 R15: 00000000000000f8 [ 62.232412] [ 62.232741] irq event stamp: 9939 [ 62.233170] hardirqs last enabled at (9949): [] __up_console_sem+0x78/0x80 [ 62.234236] hardirqs last disabled at (9960): [] __up_console_sem+0x5d/0x80 [ 62.235320] softirqs last enabled at (9432): [] irq_exit_rcu+0x93/0xc0 [ 62.236374] softirqs last disabled at (9411): [] irq_exit_rcu+0x93/0xc0 [ 62.237428] ---[ end trace 0000000000000000 ]--- [ 62.239057] ------------[ cut here ]------------ [ 62.239663] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 62.241576] WARNING: CPU: 1 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.242650] Modules linked in: [ 62.243090] CPU: 1 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.244259] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.245295] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.245976] 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 [ 62.248184] RSP: 0018:ffff88801a217bf0 EFLAGS: 00010286 [ 62.248872] RAX: 0000000000000000 RBX: ffff88800c6e2040 RCX: 0000000000000000 [ 62.249769] RDX: ffff88801940d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.250634] RBP: ffff88800c6e2054 R08: 0000000000000001 R09: 0000000000000000 [ 62.251561] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 62.252445] R13: ffffffff84e223a0 R14: ffff88800c6e2048 R15: ffffffff84daf020 [ 62.253390] FS: 0000555557511400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 62.254419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.255182] CR2: 00007f6c55aa46f4 CR3: 00000000182d6000 CR4: 0000000000350ee0 [ 62.256095] Call Trace: [ 62.256420] [ 62.256764] nf_ct_net_init+0x224/0x3d0 [ 62.257289] ? __pfx_nf_ct_net_init+0x10/0x10 [ 62.257893] ops_init+0xbb/0x6b0 [ 62.258342] setup_net+0x3d9/0x990 [ 62.258825] ? down_read_killable+0x1d7/0x4e0 [ 62.259400] ? __pfx_setup_net+0x10/0x10 [ 62.259944] ? copy_net_ns+0x17c/0x770 [ 62.260459] copy_net_ns+0x321/0x770 [ 62.260976] create_new_namespaces+0x3f6/0xb30 [ 62.261568] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.262214] ksys_unshare+0x44d/0x8e0 [ 62.262754] ? __pfx_ksys_unshare+0x10/0x10 [ 62.263335] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.264075] __x64_sys_unshare+0x31/0x40 [ 62.264603] do_syscall_64+0x3f/0x90 [ 62.265113] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.265784] RIP: 0033:0x7fe54e6a60d7 [ 62.266264] 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 [ 62.268454] RSP: 002b:00007ffed9af15b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 62.269422] RAX: ffffffffffffffda RBX: 00007ffed9af1bf8 RCX: 00007fe54e6a60d7 [ 62.270318] RDX: 00007fe54e71041f RSI: 00007ffed9af1550 RDI: 0000000040000000 [ 62.271210] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed9af1360 [ 62.272127] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe54e7b8bf0 [ 62.273015] R13: 00007ffed9af1690 R14: 0000000000000000 R15: 00000000000000f8 [ 62.273926] [ 62.274235] irq event stamp: 10753 [ 62.274668] hardirqs last enabled at (10763): [] __up_console_sem+0x78/0x80 [ 62.275761] hardirqs last disabled at (10776): [] __up_console_sem+0x5d/0x80 [ 62.276832] softirqs last enabled at (10438): [] irq_exit_rcu+0x93/0xc0 [ 62.277872] softirqs last disabled at (10433): [] irq_exit_rcu+0x93/0xc0 [ 62.278905] ---[ end trace 0000000000000000 ]--- executing program [ 63.814366] Bluetooth: hci0: command 0x0409 tx timeout [ 65.862647] Bluetooth: hci0: command 0x041b tx timeout executing program [ 67.909804] Bluetooth: hci0: command 0x040f tx timeout executing program [ 69.958601] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 18:41:07 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffffffff8542a780 RCX=0000000000000100 RDX=0000000000000000 RSI=ffffffff814c7477 RDI=ffffffff8542ab74 RBP=ffffffff8542a780 RSP=ffff88806ce09a18 R8 =0000000000000001 R9 =ffffffff8542b168 R10=ffffffff85d34a17 R11=0000000000000001 R12=ffffffff86610e48 R13=0000000000000000 R14=ffffffff8542a780 R15=ffff88800f583a00 RIP=ffffffff8135a258 RFL=00000293 [--S-A-C] 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=00007ff57c893a20 CR3=00000000146d0000 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=2032313a31343a38312036312079614d XMM01=5d3030323834312e32362020205b203a XMM02=657268745f776f6c5f6761726670692f XMM03=6c61626f6c67206c656e72656b206f74 XMM04=6f6c5f676172667069203a6174616420 XMM05=2073746e696f702061746164203a6873 XMM06=347670692f74656e206c746373797320 XMM07=6c656e72656b2072656c6c616b7a7973 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000072 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a2175f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000072 R11=0000000000000001 R12=0000000000000072 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 0000555557511400 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=00007f6c55aa46f4 CR3=00000000182d6000 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