syzkaller login: [ 41.228210] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:31135' (ECDSA) to the list of known hosts. 2023/05/18 09:16:23 fuzzer started 2023/05/18 09:16:23 dialing manager at localhost:44319 2023/05/18 09:16:23 checking machine... 2023/05/18 09:16:23 checking revisions... [ 42.163105] kmemleak: Automatic memory scanning thread ended 2023/05/18 09:16:23 testing simple program... [ 42.222695] cgroup: Unknown subsys name 'net' [ 42.278496] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.151824] audit: type=1400 audit(1684401396.888:6): 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 [ 56.261389] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.262716] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.264437] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.267484] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.268638] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.270664] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.553661] ------------[ cut here ]------------ [ 56.554383] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.555439] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.556144] Modules linked in: [ 56.556435] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.557724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.560285] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.560747] 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 [ 56.562360] RSP: 0018:ffff88801677fc00 EFLAGS: 00010282 [ 56.562828] RAX: 0000000000000000 RBX: ffff88800ea98440 RCX: 0000000000000000 [ 56.563445] RDX: ffff88801ce3b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.564057] RBP: ffff88800ea98454 R08: 0000000000000001 R09: 0000000000000000 [ 56.564644] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.565287] R13: ffffffff84e23fe0 R14: ffff88800ea98448 R15: ffffffff84d74dc0 [ 56.565900] FS: 00005555555f7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.566708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.567268] CR2: 00007f12118656f4 CR3: 0000000015f8e000 CR4: 0000000000350ee0 [ 56.567893] Call Trace: [ 56.568171] [ 56.568389] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.568842] ipv4_frags_init_net+0x269/0x440 [ 56.569286] ops_init+0xbb/0x6b0 [ 56.569623] setup_net+0x3d9/0x990 [ 56.569949] ? down_read_killable+0x1d7/0x4e0 [ 56.570411] ? __pfx_setup_net+0x10/0x10 [ 56.570760] ? copy_net_ns+0x17c/0x770 [ 56.571164] copy_net_ns+0x321/0x770 [ 56.571524] create_new_namespaces+0x3f6/0xb30 [ 56.571953] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.572449] ksys_unshare+0x44d/0x8e0 [ 56.572806] ? __pfx_ksys_unshare+0x10/0x10 [ 56.573235] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.573755] __x64_sys_unshare+0x31/0x40 [ 56.574208] do_syscall_64+0x3f/0x90 [ 56.574562] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.575076] RIP: 0033:0x7f872b10e0d7 [ 56.575402] 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 [ 56.576982] RSP: 002b:00007fff2c052998 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.577640] RAX: ffffffffffffffda RBX: 00007fff2c052fd8 RCX: 00007f872b10e0d7 [ 56.578293] RDX: 00007f872b17841f RSI: 00007fff2c052930 RDI: 0000000040000000 [ 56.578902] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff2c052740 [ 56.579524] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f872b220bf0 [ 56.580121] R13: 00007fff2c052a70 R14: 0000000000000000 R15: 00000000000000f8 [ 56.580715] [ 56.580923] irq event stamp: 8381 [ 56.581255] hardirqs last enabled at (8393): [] __up_console_sem+0x78/0x80 [ 56.582027] hardirqs last disabled at (8404): [] __up_console_sem+0x5d/0x80 [ 56.582759] softirqs last enabled at (8292): [] irq_exit_rcu+0x93/0xc0 [ 56.583538] softirqs last disabled at (8283): [] irq_exit_rcu+0x93/0xc0 [ 56.584256] ---[ end trace 0000000000000000 ]--- [ 56.588784] ------------[ cut here ]------------ [ 56.589265] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.590441] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.591198] Modules linked in: [ 56.591489] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.592321] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.593053] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.593520] 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 [ 56.595126] RSP: 0018:ffff88801677fc00 EFLAGS: 00010282 [ 56.595597] RAX: 0000000000000000 RBX: ffff888006a06a40 RCX: 0000000000000000 [ 56.596298] RDX: ffff88801ce3b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.596921] RBP: ffff888006a06a54 R08: 0000000000000001 R09: 0000000000000000 [ 56.597581] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.598265] R13: ffffffff84e23fe0 R14: ffff888006a06a48 R15: ffffffff84da7d60 [ 56.598876] FS: 00005555555f7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.599605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.600152] CR2: 00007f12118656f4 CR3: 0000000015f8e000 CR4: 0000000000350ee0 [ 56.600763] Call Trace: [ 56.601039] [ 56.601256] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.601698] ipv6_frags_init_net+0x206/0x3c0 [ 56.602132] ops_init+0xbb/0x6b0 [ 56.602472] setup_net+0x3d9/0x990 [ 56.602787] ? down_read_killable+0x1d7/0x4e0 [ 56.603220] ? __pfx_setup_net+0x10/0x10 [ 56.603585] ? copy_net_ns+0x17c/0x770 [ 56.604003] copy_net_ns+0x321/0x770 [ 56.604373] create_new_namespaces+0x3f6/0xb30 [ 56.604797] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.605343] ksys_unshare+0x44d/0x8e0 [ 56.605709] ? __pfx_ksys_unshare+0x10/0x10 [ 56.606124] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.606633] __x64_sys_unshare+0x31/0x40 [ 56.607028] do_syscall_64+0x3f/0x90 [ 56.607384] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.607901] RIP: 0033:0x7f872b10e0d7 [ 56.608291] 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 [ 56.609826] RSP: 002b:00007fff2c052998 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.610584] RAX: ffffffffffffffda RBX: 00007fff2c052fd8 RCX: 00007f872b10e0d7 [ 56.611218] RDX: 00007f872b17841f RSI: 00007fff2c052930 RDI: 0000000040000000 [ 56.611836] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff2c052740 [ 56.612461] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f872b220bf0 [ 56.613070] R13: 00007fff2c052a70 R14: 0000000000000000 R15: 00000000000000f8 [ 56.613697] [ 56.613904] irq event stamp: 10315 [ 56.614272] hardirqs last enabled at (10327): [] __up_console_sem+0x78/0x80 [ 56.615045] hardirqs last disabled at (10338): [] __up_console_sem+0x5d/0x80 [ 56.615715] softirqs last enabled at (10244): [] irq_exit_rcu+0x93/0xc0 [ 56.616419] softirqs last disabled at (10239): [] irq_exit_rcu+0x93/0xc0 [ 56.617129] ---[ end trace 0000000000000000 ]--- [ 56.618256] ------------[ cut here ]------------ [ 56.618628] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.619908] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.620641] Modules linked in: [ 56.620980] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.621707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.622395] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.622815] 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 [ 56.624323] RSP: 0018:ffff88801677fbf0 EFLAGS: 00010286 [ 56.624783] RAX: 0000000000000000 RBX: ffff88800d8d4a40 RCX: 0000000000000000 [ 56.625435] RDX: ffff88801ce3b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.626092] RBP: ffff88800d8d4a54 R08: 0000000000000001 R09: 0000000000000000 [ 56.626728] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.627393] R13: ffffffff84e23fe0 R14: ffff88800d8d4a48 R15: ffffffff84db0aa0 [ 56.628024] FS: 00005555555f7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.628680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.629189] CR2: 00007f12118656f4 CR3: 0000000015f8e000 CR4: 0000000000350ee0 [ 56.629772] Call Trace: [ 56.630034] [ 56.630291] nf_ct_net_init+0x224/0x3d0 [ 56.630635] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.631043] ops_init+0xbb/0x6b0 [ 56.631346] setup_net+0x3d9/0x990 [ 56.631648] ? down_read_killable+0x1d7/0x4e0 [ 56.632062] ? __pfx_setup_net+0x10/0x10 [ 56.632420] ? copy_net_ns+0x17c/0x770 [ 56.632759] copy_net_ns+0x321/0x770 [ 56.633122] create_new_namespaces+0x3f6/0xb30 [ 56.633531] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.633949] ksys_unshare+0x44d/0x8e0 [ 56.634356] ? __pfx_ksys_unshare+0x10/0x10 [ 56.634737] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.635287] __x64_sys_unshare+0x31/0x40 [ 56.635640] do_syscall_64+0x3f/0x90 [ 56.636015] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.636438] RIP: 0033:0x7f872b10e0d7 [ 56.636745] 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 [ 56.638311] RSP: 002b:00007fff2c052998 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.638936] RAX: ffffffffffffffda RBX: 00007fff2c052fd8 RCX: 00007f872b10e0d7 [ 56.639564] RDX: 00007f872b17841f RSI: 00007fff2c052930 RDI: 0000000040000000 [ 56.640164] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff2c052740 [ 56.640742] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f872b220bf0 [ 56.641382] R13: 00007fff2c052a70 R14: 0000000000000000 R15: 00000000000000f8 [ 56.642013] [ 56.642246] irq event stamp: 11085 [ 56.642537] hardirqs last enabled at (11095): [] __up_console_sem+0x78/0x80 [ 56.643282] hardirqs last disabled at (11106): [] __up_console_sem+0x5d/0x80 [ 56.644045] softirqs last enabled at (10244): [] irq_exit_rcu+0x93/0xc0 [ 56.644749] softirqs last disabled at (10239): [] irq_exit_rcu+0x93/0xc0 [ 56.645506] ---[ end trace 0000000000000000 ]--- executing program [ 58.288746] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 60.336049] Bluetooth: hci0: command 0x041b tx timeout [ 62.384117] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.432042] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 09:16:31 Registers: info registers vcpu 0 RAX=ffff88800eb87d90 RBX=ffff88800eb87d90 RCX=ffff88800eb87000 RDX=0000000000000000 RSI=0000000000000130 RDI=ffffea00003ae1c0 RBP=0000000000000000 RSP=ffff888016dafd28 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000008 R11=0000000000000001 R12=ffff88800844f780 R13=ffffffff81ef528e R14=ffff888015c1c518 R15=0000000000000000 RIP=ffffffff8180f31f RFL=00000286 [--S--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 00007f812b743900 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=00007f812ac6a000 CR3=000000000e9a8000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=a03ba441aab56503000000000013be88 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f90f8e41cd57a1fd00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000034 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801677f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000034 R11=0000000000000001 R12=0000000000000034 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 00005555555f7400 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=00007f12118656f4 CR3=0000000015f8e000 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