syzkaller login: [ 40.524994] sshd (217) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:59640' (ECDSA) to the list of known hosts. 2023/05/16 11:11:49 fuzzer started 2023/05/16 11:11:49 dialing manager at localhost:35573 2023/05/16 11:11:49 checking machine... 2023/05/16 11:11:49 checking revisions... [ 42.579755] kmemleak: Automatic memory scanning thread ended 2023/05/16 11:11:49 testing simple program... [ 42.648107] cgroup: Unknown subsys name 'net' [ 42.741395] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.172214] audit: type=1400 audit(1684235522.111:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 56.320139] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.321803] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.323837] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.327306] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.328890] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.330826] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.722371] ------------[ cut here ]------------ [ 56.723024] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.725257] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.726445] Modules linked in: [ 56.726867] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.731902] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.733334] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.734326] 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 [ 56.737026] RSP: 0018:ffff8880193e7c00 EFLAGS: 00010282 [ 56.737866] RAX: 0000000000000000 RBX: ffff88801607fc40 RCX: 0000000000000000 [ 56.739010] RDX: ffff88801ca83680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.740170] RBP: ffff88801607fc54 R08: 0000000000000001 R09: 0000000000000000 [ 56.741368] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.742376] R13: ffffffff84e223a0 R14: ffff88801607fc48 R15: ffffffff84d73340 [ 56.743320] FS: 00005555561a0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.744349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.745158] CR2: 00007fe49e9ec6f4 CR3: 000000000d6e0000 CR4: 0000000000350ee0 [ 56.746097] Call Trace: [ 56.746430] [ 56.746728] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.747401] ipv4_frags_init_net+0x269/0x440 [ 56.747985] ops_init+0xbb/0x6b0 [ 56.748468] setup_net+0x3d9/0x990 [ 56.748973] ? down_read_killable+0x1d7/0x4e0 [ 56.749579] ? __pfx_setup_net+0x10/0x10 [ 56.750161] ? copy_net_ns+0x17c/0x770 [ 56.750679] copy_net_ns+0x321/0x770 [ 56.751217] create_new_namespaces+0x3f6/0xb30 [ 56.751841] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.752522] ksys_unshare+0x44d/0x8e0 [ 56.753093] ? __pfx_ksys_unshare+0x10/0x10 [ 56.753661] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.754459] __x64_sys_unshare+0x31/0x40 [ 56.755017] do_syscall_64+0x3f/0x90 [ 56.755544] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.756253] RIP: 0033:0x7f27ee5920d7 [ 56.756741] 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 [ 56.759015] RSP: 002b:00007ffc4b98ba88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.759990] RAX: ffffffffffffffda RBX: 00007ffc4b98c0c8 RCX: 00007f27ee5920d7 [ 56.760934] RDX: 00007f27ee5fc41f RSI: 00007ffc4b98ba20 RDI: 0000000040000000 [ 56.761863] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc4b98b830 [ 56.762801] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f27ee6a4bf0 [ 56.763716] R13: 00007ffc4b98bb60 R14: 0000000000000000 R15: 00000000000000f8 [ 56.764716] [ 56.765047] irq event stamp: 7917 [ 56.765540] hardirqs last enabled at (7929): [] __up_console_sem+0x78/0x80 [ 56.766625] hardirqs last disabled at (7940): [] __up_console_sem+0x5d/0x80 [ 56.767728] softirqs last enabled at (7474): [] irq_exit_rcu+0x93/0xc0 [ 56.768829] softirqs last disabled at (7433): [] irq_exit_rcu+0x93/0xc0 [ 56.769900] ---[ end trace 0000000000000000 ]--- [ 56.775431] ------------[ cut here ]------------ [ 56.776030] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.777994] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.779167] Modules linked in: [ 56.779577] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.780910] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.782131] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.782801] 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 [ 56.785224] RSP: 0018:ffff8880193e7c00 EFLAGS: 00010282 [ 56.785892] RAX: 0000000000000000 RBX: ffff88800c9b6840 RCX: 0000000000000000 [ 56.786890] RDX: ffff88801ca83680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.787977] RBP: ffff88800c9b6854 R08: 0000000000000001 R09: 0000000000000000 [ 56.789035] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.790254] R13: ffffffff84e223a0 R14: ffff88800c9b6848 R15: ffffffff84da62e0 [ 56.791315] FS: 00005555561a0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.792461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.793354] CR2: 00007f98e5b26980 CR3: 000000000d6e0000 CR4: 0000000000350ef0 [ 56.794355] Call Trace: [ 56.794690] [ 56.794991] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.795800] ipv6_frags_init_net+0x206/0x3c0 [ 56.796523] ops_init+0xbb/0x6b0 [ 56.796986] setup_net+0x3d9/0x990 [ 56.797593] ? down_read_killable+0x1d7/0x4e0 [ 56.798325] ? __pfx_setup_net+0x10/0x10 [ 56.798849] ? copy_net_ns+0x17c/0x770 [ 56.799522] copy_net_ns+0x321/0x770 [ 56.800017] create_new_namespaces+0x3f6/0xb30 [ 56.800856] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.801683] ksys_unshare+0x44d/0x8e0 [ 56.802329] ? __pfx_ksys_unshare+0x10/0x10 [ 56.802900] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.803830] __x64_sys_unshare+0x31/0x40 [ 56.804502] do_syscall_64+0x3f/0x90 [ 56.805007] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.805819] RIP: 0033:0x7f27ee5920d7 [ 56.806408] 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 [ 56.808889] RSP: 002b:00007ffc4b98ba88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.809957] RAX: ffffffffffffffda RBX: 00007ffc4b98c0c8 RCX: 00007f27ee5920d7 [ 56.811190] RDX: 00007f27ee5fc41f RSI: 00007ffc4b98ba20 RDI: 0000000040000000 [ 56.812223] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc4b98b830 [ 56.813292] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f27ee6a4bf0 [ 56.814343] R13: 00007ffc4b98bb60 R14: 0000000000000000 R15: 00000000000000f8 [ 56.815400] [ 56.815707] irq event stamp: 12227 [ 56.816329] hardirqs last enabled at (12317): [] __up_console_sem+0x78/0x80 [ 56.817571] hardirqs last disabled at (12382): [] __up_console_sem+0x5d/0x80 [ 56.818838] softirqs last enabled at (12486): [] irq_exit_rcu+0x93/0xc0 [ 56.820002] softirqs last disabled at (12499): [] irq_exit_rcu+0x93/0xc0 [ 56.821369] ---[ end trace 0000000000000000 ]--- [ 56.822777] ------------[ cut here ]------------ [ 56.823399] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.825486] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.826578] Modules linked in: [ 56.826989] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.828167] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.829214] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.829874] 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 [ 56.832100] RSP: 0018:ffff8880193e7bf0 EFLAGS: 00010286 [ 56.832771] RAX: 0000000000000000 RBX: ffff88800c9b7640 RCX: 0000000000000000 [ 56.833675] RDX: ffff88801ca83680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.834586] RBP: ffff88800c9b7654 R08: 0000000000000001 R09: 0000000000000000 [ 56.835507] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.836424] R13: ffffffff84e223a0 R14: ffff88800c9b7648 R15: ffffffff84daf020 [ 56.837355] FS: 00005555561a0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.838377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.839130] CR2: 00007f98e5b26980 CR3: 000000000d6e0000 CR4: 0000000000350ef0 [ 56.840012] Call Trace: [ 56.840383] [ 56.840714] nf_ct_net_init+0x224/0x3d0 [ 56.841281] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.841878] ops_init+0xbb/0x6b0 [ 56.842361] setup_net+0x3d9/0x990 [ 56.842833] ? down_read_killable+0x1d7/0x4e0 [ 56.843443] ? __pfx_setup_net+0x10/0x10 [ 56.843970] ? copy_net_ns+0x17c/0x770 [ 56.844521] copy_net_ns+0x321/0x770 [ 56.845035] create_new_namespaces+0x3f6/0xb30 [ 56.845669] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.846332] ksys_unshare+0x44d/0x8e0 [ 56.846840] ? __pfx_ksys_unshare+0x10/0x10 [ 56.847442] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.848207] __x64_sys_unshare+0x31/0x40 [ 56.848755] do_syscall_64+0x3f/0x90 [ 56.849283] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.849948] RIP: 0033:0x7f27ee5920d7 [ 56.850457] 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 [ 56.852744] RSP: 002b:00007ffc4b98ba88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.853740] RAX: ffffffffffffffda RBX: 00007ffc4b98c0c8 RCX: 00007f27ee5920d7 [ 56.854659] RDX: 00007f27ee5fc41f RSI: 00007ffc4b98ba20 RDI: 0000000040000000 [ 56.855582] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc4b98b830 [ 56.856500] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f27ee6a4bf0 [ 56.857436] R13: 00007ffc4b98bb60 R14: 0000000000000000 R15: 00000000000000f8 [ 56.858383] [ 56.858696] irq event stamp: 13457 [ 56.859176] hardirqs last enabled at (13469): [] __up_console_sem+0x78/0x80 [ 56.860287] hardirqs last disabled at (13480): [] __up_console_sem+0x5d/0x80 [ 56.861417] softirqs last enabled at (12954): [] irq_exit_rcu+0x93/0xc0 [ 56.862496] softirqs last disabled at (12945): [] irq_exit_rcu+0x93/0xc0 [ 56.863586] ---[ end trace 0000000000000000 ]--- executing program [ 58.400753] Bluetooth: hci0: command 0x0409 tx timeout [ 60.448129] Bluetooth: hci0: command 0x041b tx timeout executing program [ 62.496123] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.544144] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:11:58 Registers: info registers vcpu 0 RAX=000000000002a835 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=00007f98e5b2b7b0 CR3=000000000d064000 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=2033303a32313a31312036312079614d XMM01=5d3432303332372e36352020205b203a 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=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880193e75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 00005555561a0400 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=00007fe49e9ec6f4 CR3=000000000d6e0000 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