syzkaller login: [ 51.381851] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:19197' (ECDSA) to the list of known hosts. 2023/05/18 04:32:49 fuzzer started 2023/05/18 04:32:49 dialing manager at localhost:44319 2023/05/18 04:32:49 checking machine... 2023/05/18 04:32:49 checking revisions... [ 53.426528] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:32:50 testing simple program... [ 53.506942] cgroup: Unknown subsys name 'net' [ 53.633809] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 66.938059] audit: type=1400 audit(1684384383.598:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 68.018326] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.020958] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.021934] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.025351] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.027412] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.037298] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 68.439684] ------------[ cut here ]------------ [ 68.440905] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 68.442889] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.444219] Modules linked in: [ 68.444701] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.449268] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.450360] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.451066] 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 [ 68.453436] RSP: 0018:ffff88801e8bfc00 EFLAGS: 00010282 [ 68.454149] RAX: 0000000000000000 RBX: ffff88800dff3440 RCX: 0000000000000000 [ 68.455117] RDX: ffff88800debd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.456070] RBP: ffff88800dff3454 R08: 0000000000000001 R09: 0000000000000000 [ 68.457011] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 68.457959] R13: ffffffff84e23fe0 R14: ffff88800dff3448 R15: ffffffff84d74dc0 [ 68.458900] FS: 0000555555966400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.459954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.460745] CR2: 00007f373abbb6f4 CR3: 00000000164f4000 CR4: 0000000000350ef0 [ 68.461680] Call Trace: [ 68.462024] [ 68.462341] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 68.463017] ipv4_frags_init_net+0x269/0x440 [ 68.463640] ops_init+0xbb/0x6b0 [ 68.464162] setup_net+0x3d9/0x990 [ 68.464682] ? down_read_killable+0x1d7/0x4e0 [ 68.465289] ? __pfx_setup_net+0x10/0x10 [ 68.465854] ? copy_net_ns+0x17c/0x770 [ 68.466429] copy_net_ns+0x321/0x770 [ 68.466947] create_new_namespaces+0x3f6/0xb30 [ 68.467594] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.468264] ksys_unshare+0x44d/0x8e0 [ 68.468811] ? __pfx_ksys_unshare+0x10/0x10 [ 68.469418] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.470169] __x64_sys_unshare+0x31/0x40 [ 68.470755] do_syscall_64+0x3f/0x90 [ 68.471264] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.472002] RIP: 0033:0x7f67d84f50d7 [ 68.472524] 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 [ 68.474808] RSP: 002b:00007ffdc02b8788 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 68.475850] RAX: ffffffffffffffda RBX: 00007ffdc02b8dc8 RCX: 00007f67d84f50d7 [ 68.476792] RDX: 00007f67d855f41f RSI: 00007ffdc02b8720 RDI: 0000000040000000 [ 68.477732] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc02b8530 [ 68.478660] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f67d8607bf0 [ 68.479592] R13: 00007ffdc02b8860 R14: 0000000000000000 R15: 00000000000000f8 [ 68.480576] [ 68.480896] irq event stamp: 7751 [ 68.481342] hardirqs last enabled at (7761): [] __up_console_sem+0x78/0x80 [ 68.482490] hardirqs last disabled at (7774): [] __up_console_sem+0x5d/0x80 [ 68.483607] softirqs last enabled at (7612): [] irq_exit_rcu+0x93/0xc0 [ 68.484700] softirqs last disabled at (7607): [] irq_exit_rcu+0x93/0xc0 [ 68.485777] ---[ end trace 0000000000000000 ]--- [ 68.491214] ------------[ cut here ]------------ [ 68.491893] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 68.493681] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.494855] Modules linked in: [ 68.495291] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.496550] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.497642] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.498331] 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 [ 68.500706] RSP: 0018:ffff88801e8bfc00 EFLAGS: 00010282 [ 68.501447] RAX: 0000000000000000 RBX: ffff88800f1f7a40 RCX: 0000000000000000 [ 68.502402] RDX: ffff88800debd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.503316] RBP: ffff88800f1f7a54 R08: 0000000000000001 R09: 0000000000000000 [ 68.504304] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.505256] R13: ffffffff84e23fe0 R14: ffff88800f1f7a48 R15: ffffffff84da7d60 [ 68.506218] FS: 0000555555966400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.507295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.508111] CR2: 00007f373abbb6f4 CR3: 00000000164f4000 CR4: 0000000000350ef0 [ 68.509063] Call Trace: [ 68.509445] [ 68.509765] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 68.510456] ipv6_frags_init_net+0x206/0x3c0 [ 68.511060] ops_init+0xbb/0x6b0 [ 68.511568] setup_net+0x3d9/0x990 [ 68.512071] ? down_read_killable+0x1d7/0x4e0 [ 68.512712] ? __pfx_setup_net+0x10/0x10 [ 68.513260] ? copy_net_ns+0x17c/0x770 [ 68.513837] copy_net_ns+0x321/0x770 [ 68.514353] create_new_namespaces+0x3f6/0xb30 [ 68.515021] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.515708] ksys_unshare+0x44d/0x8e0 [ 68.516259] ? __pfx_ksys_unshare+0x10/0x10 [ 68.516875] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.517673] __x64_sys_unshare+0x31/0x40 [ 68.518229] do_syscall_64+0x3f/0x90 [ 68.518768] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.519488] RIP: 0033:0x7f67d84f50d7 [ 68.519999] 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 [ 68.522319] RSP: 002b:00007ffdc02b8788 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 68.523338] RAX: ffffffffffffffda RBX: 00007ffdc02b8dc8 RCX: 00007f67d84f50d7 [ 68.524314] RDX: 00007f67d855f41f RSI: 00007ffdc02b8720 RDI: 0000000040000000 [ 68.525258] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc02b8530 [ 68.526198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f67d8607bf0 [ 68.527148] R13: 00007ffdc02b8860 R14: 0000000000000000 R15: 00000000000000f8 [ 68.528149] [ 68.528508] irq event stamp: 9495 [ 68.528970] hardirqs last enabled at (9505): [] __up_console_sem+0x78/0x80 [ 68.530096] hardirqs last disabled at (9516): [] __up_console_sem+0x5d/0x80 [ 68.531233] softirqs last enabled at (8790): [] irq_exit_rcu+0x93/0xc0 [ 68.532340] softirqs last disabled at (8747): [] irq_exit_rcu+0x93/0xc0 [ 68.533465] ---[ end trace 0000000000000000 ]--- [ 68.534992] ------------[ cut here ]------------ [ 68.535638] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 68.537950] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.539117] Modules linked in: [ 68.539606] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.540872] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.541997] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.542740] 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 [ 68.545153] RSP: 0018:ffff88801e8bfbf0 EFLAGS: 00010286 [ 68.545901] RAX: 0000000000000000 RBX: ffff88800f1f7240 RCX: 0000000000000000 [ 68.546890] RDX: ffff88800debd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.547898] RBP: ffff88800f1f7254 R08: 0000000000000001 R09: 0000000000000000 [ 68.548873] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.549857] R13: ffffffff84e23fe0 R14: ffff88800f1f7248 R15: ffffffff84db0aa0 [ 68.550848] FS: 0000555555966400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.551945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.552767] CR2: 00007f373abbb6f4 CR3: 00000000164f4000 CR4: 0000000000350ef0 [ 68.553748] Call Trace: [ 68.554106] [ 68.554471] nf_ct_net_init+0x224/0x3d0 [ 68.555044] ? __pfx_nf_ct_net_init+0x10/0x10 [ 68.555712] ops_init+0xbb/0x6b0 [ 68.556225] setup_net+0x3d9/0x990 [ 68.556756] ? down_read_killable+0x1d7/0x4e0 [ 68.557357] ? __pfx_setup_net+0x10/0x10 [ 68.557930] ? copy_net_ns+0x17c/0x770 [ 68.558498] copy_net_ns+0x321/0x770 [ 68.559007] create_new_namespaces+0x3f6/0xb30 [ 68.559652] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.560304] ksys_unshare+0x44d/0x8e0 [ 68.560864] ? __pfx_ksys_unshare+0x10/0x10 [ 68.561467] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.562215] __x64_sys_unshare+0x31/0x40 [ 68.562789] do_syscall_64+0x3f/0x90 [ 68.563315] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.564038] RIP: 0033:0x7f67d84f50d7 [ 68.564556] 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 [ 68.566833] RSP: 002b:00007ffdc02b8788 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 68.567841] RAX: ffffffffffffffda RBX: 00007ffdc02b8dc8 RCX: 00007f67d84f50d7 [ 68.568783] RDX: 00007f67d855f41f RSI: 00007ffdc02b8720 RDI: 0000000040000000 [ 68.569722] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc02b8530 [ 68.570647] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f67d8607bf0 [ 68.571571] R13: 00007ffdc02b8860 R14: 0000000000000000 R15: 00000000000000f8 [ 68.572556] [ 68.572872] irq event stamp: 10297 [ 68.573346] hardirqs last enabled at (10307): [] __up_console_sem+0x78/0x80 [ 68.574494] hardirqs last disabled at (10320): [] __up_console_sem+0x5d/0x80 [ 68.575611] softirqs last enabled at (10124): [] irq_exit_rcu+0x93/0xc0 [ 68.576738] softirqs last disabled at (10115): [] irq_exit_rcu+0x93/0xc0 [ 68.577833] ---[ end trace 0000000000000000 ]--- [ 70.113060] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 72.161481] Bluetooth: hci0: command 0x041b tx timeout [ 74.208457] Bluetooth: hci0: command 0x040f tx timeout executing program [ 76.256527] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:32:48 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801e8bf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555966400 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=00007f373abbb6f4 CR3=00000000164f4000 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=0000000000051f8b 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=00007f4774037048 CR3=0000000016c1e000 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=2035303a33333a34302038312079614d XMM01=5d3931323434342e38362020205b203a XMM02=646f4d205d3931323434342e38362020 XMM03=6b7a79732035303a33333a3430203831 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3938383234342e38362020205b XMM07=79732035303a33333a34302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000