syzkaller login: [ 43.246217] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:25635' (ECDSA) to the list of known hosts. 2023/05/18 03:44:27 fuzzer started 2023/05/18 03:44:27 dialing manager at localhost:44319 2023/05/18 03:44:27 checking machine... 2023/05/18 03:44:27 checking revisions... [ 45.372926] kmemleak: Automatic memory scanning thread ended 2023/05/18 03:44:27 testing simple program... [ 45.440718] cgroup: Unknown subsys name 'net' [ 45.522430] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 59.240107] audit: type=1400 audit(1684381481.405:6): 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 executing program [ 60.375527] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.378433] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.379845] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.383400] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.385145] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.387727] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.791473] ------------[ cut here ]------------ [ 60.792157] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 60.793834] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.794935] Modules linked in: [ 60.795375] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.799882] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.801054] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.801720] 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 [ 60.804142] RSP: 0018:ffff88802017fc00 EFLAGS: 00010282 [ 60.804821] RAX: 0000000000000000 RBX: ffff88800b895c40 RCX: 0000000000000000 [ 60.805881] RDX: ffff88800f9451c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.806892] RBP: ffff88800b895c54 R08: 0000000000000001 R09: 0000000000000000 [ 60.807974] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 60.809147] R13: ffffffff84e23fe0 R14: ffff88800b895c48 R15: ffffffff84d74dc0 [ 60.810199] FS: 0000555556aa7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 60.811276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.812050] CR2: 00007f94487766f4 CR3: 0000000020176000 CR4: 0000000000350ef0 [ 60.812940] Call Trace: [ 60.813312] [ 60.813621] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 60.814296] ipv4_frags_init_net+0x269/0x440 [ 60.814884] ops_init+0xbb/0x6b0 [ 60.815389] setup_net+0x3d9/0x990 [ 60.815875] ? down_read_killable+0x1d7/0x4e0 [ 60.816508] ? __pfx_setup_net+0x10/0x10 [ 60.817073] ? copy_net_ns+0x17c/0x770 [ 60.817603] copy_net_ns+0x321/0x770 [ 60.818134] create_new_namespaces+0x3f6/0xb30 [ 60.818738] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.819407] ksys_unshare+0x44d/0x8e0 [ 60.819947] ? __pfx_ksys_unshare+0x10/0x10 [ 60.820549] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.821332] __x64_sys_unshare+0x31/0x40 [ 60.821861] do_syscall_64+0x3f/0x90 [ 60.822379] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.823085] RIP: 0033:0x7ffa100140d7 [ 60.823565] 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 [ 60.825852] RSP: 002b:00007ffd06c775a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.826849] RAX: ffffffffffffffda RBX: 00007ffd06c77be8 RCX: 00007ffa100140d7 [ 60.827780] RDX: 00007ffa1007e41f RSI: 00007ffd06c77540 RDI: 0000000040000000 [ 60.828733] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd06c77350 [ 60.829658] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffa10126bf0 [ 60.830608] R13: 00007ffd06c77680 R14: 0000000000000000 R15: 00000000000000f8 [ 60.831570] [ 60.831894] irq event stamp: 8399 [ 60.832368] hardirqs last enabled at (8411): [] __up_console_sem+0x78/0x80 [ 60.833459] hardirqs last disabled at (8422): [] __up_console_sem+0x5d/0x80 [ 60.834559] softirqs last enabled at (8058): [] irq_exit_rcu+0x93/0xc0 [ 60.835632] softirqs last disabled at (8041): [] irq_exit_rcu+0x93/0xc0 [ 60.836721] ---[ end trace 0000000000000000 ]--- [ 60.841905] ------------[ cut here ]------------ [ 60.842515] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 60.844205] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.845258] Modules linked in: [ 60.845658] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.846817] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.847841] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.848522] 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 [ 60.850678] RSP: 0018:ffff88802017fc00 EFLAGS: 00010282 [ 60.851350] RAX: 0000000000000000 RBX: ffff88800c771c40 RCX: 0000000000000000 [ 60.852236] RDX: ffff88800f9451c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.853118] RBP: ffff88800c771c54 R08: 0000000000000001 R09: 0000000000000000 [ 60.853966] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.854888] R13: ffffffff84e23fe0 R14: ffff88800c771c48 R15: ffffffff84da7d60 [ 60.855799] FS: 0000555556aa7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 60.856822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.857568] CR2: 00007f94487766f4 CR3: 0000000020176000 CR4: 0000000000350ef0 [ 60.858482] Call Trace: [ 60.858824] [ 60.859168] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 60.859800] ipv6_frags_init_net+0x206/0x3c0 [ 60.860424] ops_init+0xbb/0x6b0 [ 60.860887] setup_net+0x3d9/0x990 [ 60.861387] ? down_read_killable+0x1d7/0x4e0 [ 60.861969] ? __pfx_setup_net+0x10/0x10 [ 60.862505] ? copy_net_ns+0x17c/0x770 [ 60.863037] copy_net_ns+0x321/0x770 [ 60.863525] create_new_namespaces+0x3f6/0xb30 [ 60.864180] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.864824] ksys_unshare+0x44d/0x8e0 [ 60.865352] ? __pfx_ksys_unshare+0x10/0x10 [ 60.865912] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.866669] __x64_sys_unshare+0x31/0x40 [ 60.867228] do_syscall_64+0x3f/0x90 [ 60.867719] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.868437] RIP: 0033:0x7ffa100140d7 [ 60.868953] 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 [ 60.871453] RSP: 002b:00007ffd06c775a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.872566] RAX: ffffffffffffffda RBX: 00007ffd06c77be8 RCX: 00007ffa100140d7 [ 60.873588] RDX: 00007ffa1007e41f RSI: 00007ffd06c77540 RDI: 0000000040000000 [ 60.874615] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd06c77350 [ 60.875637] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffa10126bf0 [ 60.876682] R13: 00007ffd06c77680 R14: 0000000000000000 R15: 00000000000000f8 [ 60.877619] [ 60.877926] irq event stamp: 10305 [ 60.878402] hardirqs last enabled at (10317): [] __up_console_sem+0x78/0x80 [ 60.879534] hardirqs last disabled at (10328): [] __up_console_sem+0x5d/0x80 [ 60.880687] softirqs last enabled at (9574): [] irq_exit_rcu+0x93/0xc0 [ 60.881792] softirqs last disabled at (9461): [] irq_exit_rcu+0x93/0xc0 [ 60.882876] ---[ end trace 0000000000000000 ]--- [ 60.884251] ------------[ cut here ]------------ [ 60.884838] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 60.886692] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.887736] Modules linked in: [ 60.888170] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.889310] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.890314] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.890959] 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 [ 60.893175] RSP: 0018:ffff88802017fbf0 EFLAGS: 00010286 [ 60.893824] RAX: 0000000000000000 RBX: ffff88800c770040 RCX: 0000000000000000 [ 60.894709] RDX: ffff88800f9451c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.895595] RBP: ffff88800c770054 R08: 0000000000000001 R09: 0000000000000000 [ 60.896506] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.897389] R13: ffffffff84e23fe0 R14: ffff88800c770048 R15: ffffffff84db0aa0 [ 60.898281] FS: 0000555556aa7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 60.899256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.899972] CR2: 00007f94487766f4 CR3: 0000000020176000 CR4: 0000000000350ef0 [ 60.900853] Call Trace: [ 60.901214] [ 60.901515] nf_ct_net_init+0x224/0x3d0 [ 60.902060] ? __pfx_nf_ct_net_init+0x10/0x10 [ 60.902629] ops_init+0xbb/0x6b0 [ 60.903105] setup_net+0x3d9/0x990 [ 60.903562] ? down_read_killable+0x1d7/0x4e0 [ 60.904171] ? __pfx_setup_net+0x10/0x10 [ 60.904681] ? copy_net_ns+0x17c/0x770 [ 60.905220] copy_net_ns+0x321/0x770 [ 60.905703] create_new_namespaces+0x3f6/0xb30 [ 60.906315] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.906926] ksys_unshare+0x44d/0x8e0 [ 60.907449] ? __pfx_ksys_unshare+0x10/0x10 [ 60.908042] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.908771] __x64_sys_unshare+0x31/0x40 [ 60.909370] do_syscall_64+0x3f/0x90 [ 60.909848] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.910517] RIP: 0033:0x7ffa100140d7 [ 60.911009] 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 [ 60.913168] RSP: 002b:00007ffd06c775a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.914114] RAX: ffffffffffffffda RBX: 00007ffd06c77be8 RCX: 00007ffa100140d7 [ 60.914958] RDX: 00007ffa1007e41f RSI: 00007ffd06c77540 RDI: 0000000040000000 [ 60.915857] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd06c77350 [ 60.916818] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffa10126bf0 [ 60.917714] R13: 00007ffd06c77680 R14: 0000000000000000 R15: 00000000000000f8 [ 60.918616] [ 60.919131] irq event stamp: 11109 [ 60.919667] hardirqs last enabled at (11121): [] __up_console_sem+0x78/0x80 [ 60.921072] hardirqs last disabled at (11136): [] __up_console_sem+0x5d/0x80 [ 60.922124] softirqs last enabled at (11068): [] irq_exit_rcu+0x93/0xc0 [ 60.923143] softirqs last disabled at (11057): [] irq_exit_rcu+0x93/0xc0 [ 60.924174] ---[ end trace 0000000000000000 ]--- [ 62.452671] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 64.500125] Bluetooth: hci0: command 0x041b tx timeout executing program [ 66.548067] Bluetooth: hci0: command 0x040f tx timeout [ 68.596133] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:44:42 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88802017f598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 0000555556aa7400 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=00007f94487766f4 CR3=0000000020176000 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=000000000002d86f RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007f7aaf6020a0 CR3=000000000e03e000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=74203f3d72646461203f3d656d616e00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000