syzkaller login: [ 34.437186] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:37076' (ECDSA) to the list of known hosts. 2023/05/17 23:04:16 fuzzer started 2023/05/17 23:04:16 dialing manager at localhost:44319 2023/05/17 23:04:16 checking machine... 2023/05/17 23:04:16 checking revisions... [ 36.532061] kmemleak: Automatic memory scanning thread ended 2023/05/17 23:04:16 testing simple program... [ 36.598185] cgroup: Unknown subsys name 'net' [ 36.675037] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.011921] audit: type=1400 audit(1684364669.031:6): 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 [ 50.115019] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.117836] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.119091] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.125461] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.127975] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.129115] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.525953] ------------[ cut here ]------------ [ 50.526596] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.528239] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.529498] Modules linked in: [ 50.530029] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.535196] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.536395] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.537211] 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 [ 50.539597] RSP: 0018:ffff888019d17c00 EFLAGS: 00010282 [ 50.540382] RAX: 0000000000000000 RBX: ffff88800de44840 RCX: 0000000000000000 [ 50.541488] RDX: ffff888015b80000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.542613] RBP: ffff88800de44854 R08: 0000000000000001 R09: 0000000000000000 [ 50.543788] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.544904] R13: ffffffff84e23fe0 R14: ffff88800de44848 R15: ffffffff84d74dc0 [ 50.546030] FS: 0000555555575400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.547294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.548219] CR2: 00007f18e65e76f4 CR3: 0000000014634000 CR4: 0000000000350ef0 [ 50.549337] Call Trace: [ 50.549788] [ 50.550158] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.550957] ipv4_frags_init_net+0x269/0x440 [ 50.551671] ops_init+0xbb/0x6b0 [ 50.552268] setup_net+0x3d9/0x990 [ 50.552881] ? down_read_killable+0x1d7/0x4e0 [ 50.553609] ? __pfx_setup_net+0x10/0x10 [ 50.554294] ? copy_net_ns+0x17c/0x770 [ 50.554966] copy_net_ns+0x321/0x770 [ 50.555579] create_new_namespaces+0x3f6/0xb30 [ 50.556373] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.557187] ksys_unshare+0x44d/0x8e0 [ 50.557829] ? __pfx_ksys_unshare+0x10/0x10 [ 50.558497] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.559429] __x64_sys_unshare+0x31/0x40 [ 50.560109] do_syscall_64+0x3f/0x90 [ 50.560689] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.561522] RIP: 0033:0x7fb6a07710d7 [ 50.562168] 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 [ 50.564864] RSP: 002b:00007fffcdcc4578 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.566072] RAX: ffffffffffffffda RBX: 00007fffcdcc4bb8 RCX: 00007fb6a07710d7 [ 50.567191] RDX: 00007fb6a07db41f RSI: 00007fffcdcc4510 RDI: 0000000040000000 [ 50.568047] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffcdcc4320 [ 50.568889] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb6a0883bf0 [ 50.569692] R13: 00007fffcdcc4650 R14: 0000000000000000 R15: 00000000000000f8 [ 50.570564] [ 50.570889] irq event stamp: 9191 [ 50.571305] hardirqs last enabled at (9201): [] __up_console_sem+0x78/0x80 [ 50.572301] hardirqs last disabled at (9212): [] __up_console_sem+0x5d/0x80 [ 50.573298] softirqs last enabled at (8772): [] irq_exit_rcu+0x93/0xc0 [ 50.574278] softirqs last disabled at (8757): [] irq_exit_rcu+0x93/0xc0 [ 50.575282] ---[ end trace 0000000000000000 ]--- [ 50.581107] ------------[ cut here ]------------ [ 50.581846] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.583671] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.584992] Modules linked in: [ 50.585446] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.586944] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.588283] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.589239] 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 [ 50.591878] RSP: 0018:ffff888019d17c00 EFLAGS: 00010282 [ 50.592626] RAX: 0000000000000000 RBX: ffff88800d8e0c40 RCX: 0000000000000000 [ 50.593826] RDX: ffff888015b80000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.594990] RBP: ffff88800d8e0c54 R08: 0000000000000001 R09: 0000000000000000 [ 50.596210] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.597342] R13: ffffffff84e23fe0 R14: ffff88800d8e0c48 R15: ffffffff84da7d60 [ 50.598469] FS: 0000555555575400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.599688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.600646] CR2: 00007fc61b24a000 CR3: 0000000014634000 CR4: 0000000000350ee0 [ 50.601857] Call Trace: [ 50.602221] [ 50.602548] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.603420] ipv6_frags_init_net+0x206/0x3c0 [ 50.604242] ops_init+0xbb/0x6b0 [ 50.604929] setup_net+0x3d9/0x990 [ 50.605438] ? down_read_killable+0x1d7/0x4e0 [ 50.606279] ? __pfx_setup_net+0x10/0x10 [ 50.607072] ? copy_net_ns+0x17c/0x770 [ 50.607646] copy_net_ns+0x321/0x770 [ 50.608360] create_new_namespaces+0x3f6/0xb30 [ 50.609211] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.610049] ksys_unshare+0x44d/0x8e0 [ 50.610590] ? __pfx_ksys_unshare+0x10/0x10 [ 50.611466] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.612425] __x64_sys_unshare+0x31/0x40 [ 50.613217] do_syscall_64+0x3f/0x90 [ 50.613906] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.614628] RIP: 0033:0x7fb6a07710d7 [ 50.615334] 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 [ 50.617941] RSP: 002b:00007fffcdcc4578 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.619207] RAX: ffffffffffffffda RBX: 00007fffcdcc4bb8 RCX: 00007fb6a07710d7 [ 50.620361] RDX: 00007fb6a07db41f RSI: 00007fffcdcc4510 RDI: 0000000040000000 [ 50.621517] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffcdcc4320 [ 50.622713] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb6a0883bf0 [ 50.623957] R13: 00007fffcdcc4650 R14: 0000000000000000 R15: 00000000000000f8 [ 50.625054] [ 50.625355] irq event stamp: 13315 [ 50.625951] hardirqs last enabled at (13391): [] __up_console_sem+0x78/0x80 [ 50.627196] hardirqs last disabled at (13492): [] __up_console_sem+0x5d/0x80 [ 50.628366] softirqs last enabled at (13542): [] irq_exit_rcu+0x93/0xc0 [ 50.629540] softirqs last disabled at (13555): [] irq_exit_rcu+0x93/0xc0 [ 50.630703] ---[ end trace 0000000000000000 ]--- [ 50.633746] ------------[ cut here ]------------ [ 50.634353] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.636319] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.637412] Modules linked in: [ 50.637857] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.639041] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.640073] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.640759] 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 [ 50.643082] RSP: 0018:ffff888019d17bf0 EFLAGS: 00010286 [ 50.643879] RAX: 0000000000000000 RBX: ffff88800d8e0040 RCX: 0000000000000000 [ 50.644904] RDX: ffff888015b80000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.645929] RBP: ffff88800d8e0054 R08: 0000000000000001 R09: 0000000000000000 [ 50.646961] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.648004] R13: ffffffff84e23fe0 R14: ffff88800d8e0048 R15: ffffffff84db0aa0 [ 50.649031] FS: 0000555555575400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.650183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.651050] CR2: 00007fc61b24a000 CR3: 0000000014634000 CR4: 0000000000350ee0 [ 50.652087] Call Trace: [ 50.652459] [ 50.652839] nf_ct_net_init+0x224/0x3d0 [ 50.653431] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.654131] ops_init+0xbb/0x6b0 [ 50.654644] setup_net+0x3d9/0x990 [ 50.655216] ? down_read_killable+0x1d7/0x4e0 [ 50.655900] ? __pfx_setup_net+0x10/0x10 [ 50.656491] ? copy_net_ns+0x17c/0x770 [ 50.657118] copy_net_ns+0x321/0x770 [ 50.657676] create_new_namespaces+0x3f6/0xb30 [ 50.658384] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.659137] ksys_unshare+0x44d/0x8e0 [ 50.659704] ? __pfx_ksys_unshare+0x10/0x10 [ 50.660377] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.661238] __x64_sys_unshare+0x31/0x40 [ 50.661865] do_syscall_64+0x3f/0x90 [ 50.662414] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.663226] RIP: 0033:0x7fb6a07710d7 [ 50.663795] 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 [ 50.666297] RSP: 002b:00007fffcdcc4578 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.667396] RAX: ffffffffffffffda RBX: 00007fffcdcc4bb8 RCX: 00007fb6a07710d7 [ 50.668286] RDX: 00007fb6a07db41f RSI: 00007fffcdcc4510 RDI: 0000000040000000 [ 50.669181] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffcdcc4320 [ 50.670077] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb6a0883bf0 [ 50.670964] R13: 00007fffcdcc4650 R14: 0000000000000000 R15: 00000000000000f8 [ 50.671891] [ 50.672194] irq event stamp: 14847 [ 50.672627] hardirqs last enabled at (14857): [] __up_console_sem+0x78/0x80 [ 50.673693] hardirqs last disabled at (14868): [] __up_console_sem+0x5d/0x80 [ 50.674776] softirqs last enabled at (14796): [] irq_exit_rcu+0x93/0xc0 [ 50.675838] softirqs last disabled at (14791): [] irq_exit_rcu+0x93/0xc0 [ 50.676873] ---[ end trace 0000000000000000 ]--- executing program [ 52.198486] Bluetooth: hci0: command 0x0409 tx timeout [ 54.245884] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.293810] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.341926] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:04:30 Registers: info registers vcpu 0 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888019d175f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 0000555555575400 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=00007f18e65e76f4 CR3=0000000014634000 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=0000000000027b61 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=00000202 [-------] 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=00007fc61b26f368 CR3=000000000e7d0000 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=2030333a34303a33322037312079614d XMM01=5d3839343932352e30352020205b203a XMM02=646f4d205d3839343932352e30352020 XMM03=6b7a79732030333a34303a3332203731 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3933323832352e30352020205b XMM07=79732030333a34303a33322037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000