syzkaller login: [ 39.168911] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:36802' (ECDSA) to the list of known hosts. 2023/05/17 04:41:47 fuzzer started 2023/05/17 04:41:48 dialing manager at localhost:35573 2023/05/17 04:41:48 checking machine... 2023/05/17 04:41:48 checking revisions... [ 40.453319] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:41:48 testing simple program... [ 40.539256] cgroup: Unknown subsys name 'net' [ 40.648662] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.682764] audit: type=1400 audit(1684298521.742:6): 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 [ 54.826933] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.828962] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.831669] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.837406] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.840367] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.841991] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.246374] ------------[ cut here ]------------ [ 55.247047] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.248987] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.250120] Modules linked in: [ 55.250554] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.254727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.255906] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.256611] 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 [ 55.258885] RSP: 0018:ffff88801e44fc00 EFLAGS: 00010282 [ 55.259595] RAX: 0000000000000000 RBX: ffff8880094b1040 RCX: 0000000000000000 [ 55.260528] RDX: ffff88800ffb51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.261462] RBP: ffff8880094b1054 R08: 0000000000000001 R09: 0000000000000000 [ 55.262399] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.263323] R13: ffffffff84e223a0 R14: ffff8880094b1048 R15: ffffffff84d73340 [ 55.264267] FS: 0000555556230400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.265308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.266037] CR2: 00007fee99f4df60 CR3: 000000000e046000 CR4: 0000000000350ee0 [ 55.266982] Call Trace: [ 55.267349] [ 55.267647] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.268318] ipv4_frags_init_net+0x269/0x440 [ 55.268893] ops_init+0xbb/0x6b0 [ 55.269386] setup_net+0x3d9/0x990 [ 55.269854] ? down_read_killable+0x1d7/0x4e0 [ 55.270485] ? __pfx_setup_net+0x10/0x10 [ 55.271010] ? copy_net_ns+0x17c/0x770 [ 55.271573] copy_net_ns+0x321/0x770 [ 55.272097] create_new_namespaces+0x3f6/0xb30 [ 55.272707] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.273373] ksys_unshare+0x44d/0x8e0 [ 55.273888] ? __pfx_ksys_unshare+0x10/0x10 [ 55.274524] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.275293] __x64_sys_unshare+0x31/0x40 [ 55.275826] do_syscall_64+0x3f/0x90 [ 55.276343] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.277019] RIP: 0033:0x7f20501c80d7 [ 55.277533] 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 [ 55.279817] RSP: 002b:00007ffc986e5d48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.280808] RAX: ffffffffffffffda RBX: 00007ffc986e6388 RCX: 00007f20501c80d7 [ 55.281729] RDX: 00007f205023241f RSI: 00007ffc986e5ce0 RDI: 0000000040000000 [ 55.282692] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc986e5af0 [ 55.283603] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f20502dabf0 [ 55.284535] R13: 00007ffc986e5e20 R14: 0000000000000000 R15: 00000000000000f8 [ 55.285473] [ 55.285793] irq event stamp: 8355 [ 55.286274] hardirqs last enabled at (8367): [] __up_console_sem+0x78/0x80 [ 55.287369] hardirqs last disabled at (8378): [] __up_console_sem+0x5d/0x80 [ 55.288463] softirqs last enabled at (7900): [] irq_exit_rcu+0x93/0xc0 [ 55.289534] softirqs last disabled at (7865): [] irq_exit_rcu+0x93/0xc0 [ 55.290633] ---[ end trace 0000000000000000 ]--- [ 55.295472] ------------[ cut here ]------------ [ 55.296083] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.297716] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.298806] Modules linked in: [ 55.299248] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.300403] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 executing program [ 55.301587] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.302307] 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 [ 55.304509] RSP: 0018:ffff88801e44fc00 EFLAGS: 00010282 [ 55.305206] RAX: 0000000000000000 RBX: ffff88800d827e40 RCX: 0000000000000000 [ 55.306088] RDX: ffff88800ffb51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.306963] RBP: ffff88800d827e54 R08: 0000000000000001 R09: 0000000000000000 [ 55.307864] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.308752] R13: ffffffff84e223a0 R14: ffff88800d827e48 R15: ffffffff84da62e0 [ 55.309696] FS: 0000555556230400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.310733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.311493] CR2: 00007fee99f4df60 CR3: 000000000e046000 CR4: 0000000000350ee0 [ 55.312389] Call Trace: [ 55.312714] [ 55.313007] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.313636] ipv6_frags_init_net+0x206/0x3c0 [ 55.314219] ops_init+0xbb/0x6b0 [ 55.314679] setup_net+0x3d9/0x990 [ 55.315168] ? down_read_killable+0x1d7/0x4e0 [ 55.315732] ? __pfx_setup_net+0x10/0x10 [ 55.316264] ? copy_net_ns+0x17c/0x770 [ 55.316765] copy_net_ns+0x321/0x770 [ 55.317276] create_new_namespaces+0x3f6/0xb30 [ 55.317858] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.318525] ksys_unshare+0x44d/0x8e0 [ 55.319011] ? __pfx_ksys_unshare+0x10/0x10 [ 55.319577] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.320302] __x64_sys_unshare+0x31/0x40 [ 55.320826] do_syscall_64+0x3f/0x90 [ 55.321328] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.321962] RIP: 0033:0x7f20501c80d7 [ 55.322474] 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 [ 55.324597] RSP: 002b:00007ffc986e5d48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.325541] RAX: ffffffffffffffda RBX: 00007ffc986e6388 RCX: 00007f20501c80d7 [ 55.326432] RDX: 00007f205023241f RSI: 00007ffc986e5ce0 RDI: 0000000040000000 [ 55.327320] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc986e5af0 [ 55.328210] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f20502dabf0 [ 55.329091] R13: 00007ffc986e5e20 R14: 0000000000000000 R15: 00000000000000f8 [ 55.329963] [ 55.330320] irq event stamp: 9793 [ 55.330744] hardirqs last enabled at (9803): [] __up_console_sem+0x78/0x80 [ 55.331793] hardirqs last disabled at (9814): [] __up_console_sem+0x5d/0x80 [ 55.332837] softirqs last enabled at (9442): [] irq_exit_rcu+0x93/0xc0 [ 55.333854] softirqs last disabled at (9433): [] irq_exit_rcu+0x93/0xc0 [ 55.334880] ---[ end trace 0000000000000000 ]--- [ 55.336277] ------------[ cut here ]------------ [ 55.336858] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.338808] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.339851] Modules linked in: [ 55.340285] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.341417] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.342438] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.343100] 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 [ 55.345249] RSP: 0018:ffff88801e44fbf0 EFLAGS: 00010286 [ 55.345902] RAX: 0000000000000000 RBX: ffff88800d827c40 RCX: 0000000000000000 [ 55.346805] RDX: ffff88800ffb51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.347686] RBP: ffff88800d827c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.348565] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.349440] R13: ffffffff84e223a0 R14: ffff88800d827c48 R15: ffffffff84daf020 [ 55.350350] FS: 0000555556230400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.351341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.352040] CR2: 00007fee99f4df60 CR3: 000000000e046000 CR4: 0000000000350ee0 [ 55.352927] Call Trace: [ 55.353298] [ 55.353603] nf_ct_net_init+0x224/0x3d0 [ 55.354136] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.354719] ops_init+0xbb/0x6b0 [ 55.355201] setup_net+0x3d9/0x990 [ 55.355652] ? down_read_killable+0x1d7/0x4e0 [ 55.356247] ? __pfx_setup_net+0x10/0x10 [ 55.356760] ? copy_net_ns+0x17c/0x770 [ 55.357292] copy_net_ns+0x321/0x770 [ 55.357779] create_new_namespaces+0x3f6/0xb30 [ 55.358412] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.359021] ksys_unshare+0x44d/0x8e0 [ 55.359534] ? __pfx_ksys_unshare+0x10/0x10 [ 55.360107] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.360811] __x64_sys_unshare+0x31/0x40 [ 55.361351] do_syscall_64+0x3f/0x90 [ 55.361820] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.362486] RIP: 0033:0x7f20501c80d7 [ 55.362954] 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 [ 55.365162] RSP: 002b:00007ffc986e5d48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.366098] RAX: ffffffffffffffda RBX: 00007ffc986e6388 RCX: 00007f20501c80d7 [ 55.366961] RDX: 00007f205023241f RSI: 00007ffc986e5ce0 RDI: 0000000040000000 [ 55.367848] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc986e5af0 [ 55.368725] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f20502dabf0 [ 55.369606] R13: 00007ffc986e5e20 R14: 0000000000000000 R15: 00000000000000f8 [ 55.370535] [ 55.370838] irq event stamp: 10633 [ 55.371307] hardirqs last enabled at (10645): [] __up_console_sem+0x78/0x80 [ 55.372355] hardirqs last disabled at (10656): [] __up_console_sem+0x5d/0x80 [ 55.373403] softirqs last enabled at (10376): [] irq_exit_rcu+0x93/0xc0 [ 55.374459] softirqs last disabled at (10371): [] irq_exit_rcu+0x93/0xc0 [ 55.375496] ---[ end trace 0000000000000000 ]--- [ 56.909474] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.957551] Bluetooth: hci0: command 0x041b tx timeout [ 61.005190] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.053771] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:41:59 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000020 RCX=1ffffffff0f64410 RDX=0000000000000000 RSI=1ffffffff0e644ec RDI=ffffffff87322760 RBP=0000000000000000 RSP=ffff888016bc72d0 R8 =ffff888016bc73d8 R9 =0000000000000020 R10=ffff888019188a18 R11=0000000000000001 R12=ffff888019188a18 R13=ffff888019188a18 R14=dffffc0000000000 R15=0000000000000000 RIP=ffffffff812c4286 RFL=00000046 [---Z-P-] 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 00007fef78f8d700 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=00007fee99f65b30 CR3=00000000068f6000 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=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=203f3d72646461203f3d656d616e7400 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000003a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801e44f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000003a R11=0000000000000001 R12=000000000000003a 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 0000555556230400 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=00007fee99f4df60 CR3=000000000e046000 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