syzkaller login: [ 35.810622] sshd (218) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:59416' (ECDSA) to the list of known hosts. 2023/05/18 01:47:58 fuzzer started 2023/05/18 01:47:59 dialing manager at localhost:44319 2023/05/18 01:47:59 checking machine... 2023/05/18 01:47:59 checking revisions... [ 37.871408] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:47:59 testing simple program... [ 37.937173] cgroup: Unknown subsys name 'net' [ 38.008655] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.721038] audit: type=1400 audit(1684374492.055:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.849399] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.852313] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.853477] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.857102] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.858738] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.860139] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.284943] ------------[ cut here ]------------ [ 52.285601] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.287672] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.288981] Modules linked in: [ 52.289392] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.293186] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.294307] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.295093] 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 [ 52.297359] RSP: 0018:ffff88800fee7c00 EFLAGS: 00010282 [ 52.298129] RAX: 0000000000000000 RBX: ffff88800df2f840 RCX: 0000000000000000 [ 52.299108] RDX: ffff888016a3b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.300068] RBP: ffff88800df2f854 R08: 0000000000000001 R09: 0000000000000000 [ 52.301048] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.302012] R13: ffffffff84e23fe0 R14: ffff88800df2f848 R15: ffffffff84d74dc0 [ 52.302993] FS: 000055555557b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.304069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.304910] CR2: 00007f199da816f4 CR3: 000000000ede2000 CR4: 0000000000350ef0 [ 52.305875] Call Trace: [ 52.306195] [ 52.306486] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.307215] ipv4_frags_init_net+0x269/0x440 [ 52.307883] ops_init+0xbb/0x6b0 [ 52.308348] setup_net+0x3d9/0x990 [ 52.308909] ? down_read_killable+0x1d7/0x4e0 [ 52.309471] ? __pfx_setup_net+0x10/0x10 [ 52.310084] ? copy_net_ns+0x17c/0x770 [ 52.310587] copy_net_ns+0x321/0x770 [ 52.311174] create_new_namespaces+0x3f6/0xb30 [ 52.311856] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.312479] ksys_unshare+0x44d/0x8e0 [ 52.313119] ? __pfx_ksys_unshare+0x10/0x10 [ 52.313663] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.314546] __x64_sys_unshare+0x31/0x40 [ 52.315173] do_syscall_64+0x3f/0x90 [ 52.315655] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.316467] RIP: 0033:0x7fd132f470d7 [ 52.317121] 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 [ 52.319383] RSP: 002b:00007ffc339b6878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.320340] RAX: ffffffffffffffda RBX: 00007ffc339b6eb8 RCX: 00007fd132f470d7 [ 52.321226] RDX: 00007fd132fb141f RSI: 00007ffc339b6810 RDI: 0000000040000000 [ 52.322107] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc339b6620 [ 52.323006] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd133059bf0 [ 52.323888] R13: 00007ffc339b6950 R14: 0000000000000000 R15: 00000000000000f8 [ 52.324794] [ 52.325092] irq event stamp: 10519 [ 52.325520] hardirqs last enabled at (10529): [] __up_console_sem+0x78/0x80 [ 52.326584] hardirqs last disabled at (10540): [] __up_console_sem+0x5d/0x80 [ 52.327650] softirqs last enabled at (10554): [] irq_exit_rcu+0x93/0xc0 [ 52.328722] softirqs last disabled at (10549): [] irq_exit_rcu+0x93/0xc0 [ 52.329768] ---[ end trace 0000000000000000 ]--- [ 52.334662] ------------[ cut here ]------------ [ 52.335553] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.337211] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.338292] Modules linked in: [ 52.338724] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.339878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.340902] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.341541] 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 [ 52.343712] RSP: 0018:ffff88800fee7c00 EFLAGS: 00010282 [ 52.344387] RAX: 0000000000000000 RBX: ffff8880069df040 RCX: 0000000000000000 [ 52.345274] RDX: ffff888016a3b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.346152] RBP: ffff8880069df054 R08: 0000000000000001 R09: 0000000000000000 [ 52.347045] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.347954] R13: ffffffff84e23fe0 R14: ffff8880069df048 R15: ffffffff84da7d60 [ 52.348878] FS: 000055555557b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.349873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.350592] CR2: 00007f199da816f4 CR3: 000000000ede2000 CR4: 0000000000350ef0 [ 52.351491] Call Trace: [ 52.351851] [ 52.352154] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.352819] ipv6_frags_init_net+0x206/0x3c0 [ 52.353381] ops_init+0xbb/0x6b0 [ 52.353858] setup_net+0x3d9/0x990 [ 52.354311] ? down_read_killable+0x1d7/0x4e0 [ 52.354913] ? __pfx_setup_net+0x10/0x10 [ 52.355422] ? copy_net_ns+0x17c/0x770 [ 52.355959] copy_net_ns+0x321/0x770 [ 52.356468] create_new_namespaces+0x3f6/0xb30 [ 52.357083] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.357722] ksys_unshare+0x44d/0x8e0 [ 52.358215] ? __pfx_ksys_unshare+0x10/0x10 [ 52.358789] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.359495] __x64_sys_unshare+0x31/0x40 [ 52.360049] do_syscall_64+0x3f/0x90 [ 52.360538] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.361225] RIP: 0033:0x7fd132f470d7 [ 52.361718] 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 [ 52.363866] RSP: 002b:00007ffc339b6878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.364828] RAX: ffffffffffffffda RBX: 00007ffc339b6eb8 RCX: 00007fd132f470d7 [ 52.365676] RDX: 00007fd132fb141f RSI: 00007ffc339b6810 RDI: 0000000040000000 [ 52.366564] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc339b6620 [ 52.367443] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd133059bf0 [ 52.368340] R13: 00007ffc339b6950 R14: 0000000000000000 R15: 00000000000000f8 [ 52.369242] [ 52.369541] irq event stamp: 12329 [ 52.370014] hardirqs last enabled at (12341): [] __up_console_sem+0x78/0x80 [ 52.371104] hardirqs last disabled at (12352): [] __up_console_sem+0x5d/0x80 [ 52.372185] softirqs last enabled at (11826): [] irq_exit_rcu+0x93/0xc0 [ 52.373225] softirqs last disabled at (11817): [] irq_exit_rcu+0x93/0xc0 [ 52.374257] ---[ end trace 0000000000000000 ]--- [ 52.375614] ------------[ cut here ]------------ [ 52.376277] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.378156] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.379246] Modules linked in: [ 52.379654] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.380857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.381888] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.382549] 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 [ 52.384757] RSP: 0018:ffff88800fee7bf0 EFLAGS: 00010286 [ 52.385420] RAX: 0000000000000000 RBX: ffff8880069de440 RCX: 0000000000000000 [ 52.386317] RDX: ffff888016a3b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.387214] RBP: ffff8880069de454 R08: 0000000000000001 R09: 0000000000000000 [ 52.388129] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.389022] R13: ffffffff84e23fe0 R14: ffff8880069de448 R15: ffffffff84db0aa0 [ 52.389928] FS: 000055555557b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.390928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.391634] CR2: 00007f199da816f4 CR3: 000000000ede2000 CR4: 0000000000350ef0 [ 52.392535] Call Trace: [ 52.392898] [ 52.393198] nf_ct_net_init+0x224/0x3d0 [ 52.393759] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.394328] ops_init+0xbb/0x6b0 [ 52.394802] setup_net+0x3d9/0x990 [ 52.395253] ? down_read_killable+0x1d7/0x4e0 [ 52.395857] ? __pfx_setup_net+0x10/0x10 [ 52.396399] ? copy_net_ns+0x17c/0x770 [ 52.396949] copy_net_ns+0x321/0x770 [ 52.397431] create_new_namespaces+0x3f6/0xb30 [ 52.398056] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.398669] ksys_unshare+0x44d/0x8e0 [ 52.399193] ? __pfx_ksys_unshare+0x10/0x10 [ 52.399774] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.400492] __x64_sys_unshare+0x31/0x40 [ 52.401039] do_syscall_64+0x3f/0x90 [ 52.401510] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.402190] RIP: 0033:0x7fd132f470d7 [ 52.402664] 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 [ 52.404863] RSP: 002b:00007ffc339b6878 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.405821] RAX: ffffffffffffffda RBX: 00007ffc339b6eb8 RCX: 00007fd132f470d7 [ 52.406728] RDX: 00007fd132fb141f RSI: 00007ffc339b6810 RDI: 0000000040000000 [ 52.407582] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc339b6620 [ 52.408485] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd133059bf0 [ 52.409386] R13: 00007ffc339b6950 R14: 0000000000000000 R15: 00000000000000f8 [ 52.410293] [ 52.410599] irq event stamp: 13071 [ 52.411063] hardirqs last enabled at (13083): [] __up_console_sem+0x78/0x80 [ 52.412155] hardirqs last disabled at (13094): [] __up_console_sem+0x5d/0x80 [ 52.413227] softirqs last enabled at (12722): [] irq_exit_rcu+0x93/0xc0 [ 52.414265] softirqs last disabled at (12717): [] irq_exit_rcu+0x93/0xc0 [ 52.415306] ---[ end trace 0000000000000000 ]--- executing program [ 53.928395] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.975778] Bluetooth: hci0: command 0x041b tx timeout [ 58.024981] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.071847] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:48:13 Registers: info registers vcpu 0 RAX=0000000000000061 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800fee75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000061 R11=0000000000000001 R12=0000000000000061 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 000055555557b400 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=00007f199da816f4 CR3=000000000ede2000 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=0000000000039029 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=00007f4360295b80 CR3=0000000016254000 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=2033313a38343a31302038312079614d XMM01=5d3237363738322e32352020205b203a XMM02=74656e20746120303632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3237363738322e32352020205b XMM07=79732033313a38343a31302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000