syzkaller login: [ 44.887298] sshd (229) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:44767' (ECDSA) to the list of known hosts. 2023/05/17 08:57:08 fuzzer started 2023/05/17 08:57:08 dialing manager at localhost:35573 2023/05/17 08:57:08 checking machine... 2023/05/17 08:57:08 checking revisions... [ 46.475173] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:57:08 testing simple program... [ 46.551447] cgroup: Unknown subsys name 'net' [ 46.599744] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 57.895477] audit: type=1400 audit(1684313839.902:6): avc: denied { execmem } for pid=263 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 59.029429] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.033427] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.035267] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.038899] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.041737] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.043476] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.460112] ------------[ cut here ]------------ [ 59.460757] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.462430] WARNING: CPU: 1 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.463539] Modules linked in: [ 59.463951] CPU: 1 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.467634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.470154] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.470821] 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 [ 59.473151] RSP: 0018:ffff88801b5ffc00 EFLAGS: 00010282 [ 59.473817] RAX: 0000000000000000 RBX: ffff88800f597440 RCX: 0000000000000000 [ 59.474827] RDX: ffff88801dc59b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.475819] RBP: ffff88800f597454 R08: 0000000000000001 R09: 0000000000000000 [ 59.476805] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.477800] R13: ffffffff84e223a0 R14: ffff88800f597448 R15: ffffffff84d73340 [ 59.478805] FS: 0000555556cc0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.479901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.480726] CR2: 00007f017d5756f4 CR3: 000000001a284000 CR4: 0000000000350ee0 [ 59.481717] Call Trace: [ 59.482160] [ 59.482472] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.483203] ipv4_frags_init_net+0x269/0x440 [ 59.483769] ops_init+0xbb/0x6b0 [ 59.484364] setup_net+0x3d9/0x990 [ 59.484825] ? down_read_killable+0x1d7/0x4e0 [ 59.485554] ? __pfx_setup_net+0x10/0x10 [ 59.486190] ? copy_net_ns+0x17c/0x770 [ 59.486728] copy_net_ns+0x321/0x770 [ 59.487264] create_new_namespaces+0x3f6/0xb30 [ 59.487854] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.488502] ksys_unshare+0x44d/0x8e0 [ 59.488995] ? __pfx_ksys_unshare+0x10/0x10 [ 59.489575] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.490316] __x64_sys_unshare+0x31/0x40 [ 59.490837] do_syscall_64+0x3f/0x90 [ 59.491352] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.491995] RIP: 0033:0x7fbd179b20d7 [ 59.492493] 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 [ 59.494683] RSP: 002b:00007ffd060b7ed8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.495653] RAX: ffffffffffffffda RBX: 00007ffd060b8518 RCX: 00007fbd179b20d7 [ 59.496546] RDX: 00007fbd17a1c41f RSI: 00007ffd060b7e70 RDI: 0000000040000000 [ 59.497454] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd060b7c80 [ 59.498354] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbd17ac4bf0 [ 59.499269] R13: 00007ffd060b7fb0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.500185] [ 59.500486] irq event stamp: 10231 [ 59.500918] hardirqs last enabled at (10241): [] __up_console_sem+0x78/0x80 [ 59.501998] hardirqs last disabled at (10252): [] __up_console_sem+0x5d/0x80 [ 59.503100] softirqs last enabled at (10004): [] irq_exit_rcu+0x93/0xc0 [ 59.504151] softirqs last disabled at (9967): [] irq_exit_rcu+0x93/0xc0 [ 59.505194] ---[ end trace 0000000000000000 ]--- [ 59.512793] ------------[ cut here ]------------ [ 59.513514] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.515319] WARNING: CPU: 1 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.516382] Modules linked in: [ 59.516793] CPU: 1 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.517957] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.518990] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.519657] 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 [ 59.521839] RSP: 0018:ffff88801b5ffc00 EFLAGS: 00010282 [ 59.522529] RAX: 0000000000000000 RBX: ffff888015d90840 RCX: 0000000000000000 [ 59.523418] RDX: ffff88801dc59b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.524317] RBP: ffff888015d90854 R08: 0000000000000001 R09: 0000000000000000 [ 59.525217] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.526101] R13: ffffffff84e223a0 R14: ffff888015d90848 R15: ffffffff84da62e0 [ 59.526968] FS: 0000555556cc0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.527972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.528717] CR2: 00007f017d5756f4 CR3: 000000001a284000 CR4: 0000000000350ee0 [ 59.529627] Call Trace: [ 59.529957] [ 59.530289] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.530932] ipv6_frags_init_net+0x206/0x3c0 [ 59.531524] ops_init+0xbb/0x6b0 [ 59.531968] setup_net+0x3d9/0x990 [ 59.532452] ? down_read_killable+0x1d7/0x4e0 [ 59.533052] ? __pfx_setup_net+0x10/0x10 [ 59.533559] ? copy_net_ns+0x17c/0x770 [ 59.534097] copy_net_ns+0x321/0x770 [ 59.534591] create_new_namespaces+0x3f6/0xb30 [ 59.535208] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.535820] ksys_unshare+0x44d/0x8e0 [ 59.536349] ? __pfx_ksys_unshare+0x10/0x10 [ 59.536901] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.537649] __x64_sys_unshare+0x31/0x40 [ 59.538203] do_syscall_64+0x3f/0x90 [ 59.538693] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.539368] RIP: 0033:0x7fbd179b20d7 [ 59.539844] 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 [ 59.542051] RSP: 002b:00007ffd060b7ed8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.542996] RAX: ffffffffffffffda RBX: 00007ffd060b8518 RCX: 00007fbd179b20d7 [ 59.543900] RDX: 00007fbd17a1c41f RSI: 00007ffd060b7e70 RDI: 0000000040000000 [ 59.544786] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd060b7c80 [ 59.545677] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbd17ac4bf0 [ 59.546578] R13: 00007ffd060b7fb0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.547495] [ 59.547800] irq event stamp: 13681 [ 59.548267] hardirqs last enabled at (13693): [] __up_console_sem+0x78/0x80 [ 59.549351] hardirqs last disabled at (13704): [] __up_console_sem+0x5d/0x80 [ 59.550434] softirqs last enabled at (13166): [] irq_exit_rcu+0x93/0xc0 [ 59.551511] softirqs last disabled at (13123): [] irq_exit_rcu+0x93/0xc0 [ 59.552567] ---[ end trace 0000000000000000 ]--- [ 59.553946] ------------[ cut here ]------------ [ 59.554587] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.556460] WARNING: CPU: 1 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.557543] Modules linked in: [ 59.557955] CPU: 1 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.559126] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.560156] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.560798] 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 [ 59.563046] RSP: 0018:ffff88801b5ffbf0 EFLAGS: 00010286 [ 59.563707] RAX: 0000000000000000 RBX: ffff88800e5b8e40 RCX: 0000000000000000 [ 59.564605] RDX: ffff88801dc59b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.565497] RBP: ffff88800e5b8e54 R08: 0000000000000001 R09: 0000000000000000 [ 59.566379] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.567286] R13: ffffffff84e223a0 R14: ffff88800e5b8e48 R15: ffffffff84daf020 [ 59.568189] FS: 0000555556cc0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.569196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.569916] CR2: 00007f017d5756f4 CR3: 000000001a284000 CR4: 0000000000350ee0 [ 59.570856] Call Trace: [ 59.571215] [ 59.571514] nf_ct_net_init+0x224/0x3d0 [ 59.572057] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.572641] ops_init+0xbb/0x6b0 [ 59.573128] setup_net+0x3d9/0x990 [ 59.573587] ? down_read_killable+0x1d7/0x4e0 [ 59.574188] ? __pfx_setup_net+0x10/0x10 [ 59.574710] ? copy_net_ns+0x17c/0x770 [ 59.575261] copy_net_ns+0x321/0x770 [ 59.575746] create_new_namespaces+0x3f6/0xb30 [ 59.576368] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.576997] ksys_unshare+0x44d/0x8e0 [ 59.577522] ? __pfx_ksys_unshare+0x10/0x10 [ 59.578109] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.578837] __x64_sys_unshare+0x31/0x40 [ 59.579384] do_syscall_64+0x3f/0x90 [ 59.579865] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.580546] RIP: 0033:0x7fbd179b20d7 [ 59.581053] 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 [ 59.583262] RSP: 002b:00007ffd060b7ed8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.584222] RAX: ffffffffffffffda RBX: 00007ffd060b8518 RCX: 00007fbd179b20d7 [ 59.585122] RDX: 00007fbd17a1c41f RSI: 00007ffd060b7e70 RDI: 0000000040000000 [ 59.585987] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd060b7c80 [ 59.586903] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbd17ac4bf0 [ 59.587794] R13: 00007ffd060b7fb0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.588723] [ 59.589061] irq event stamp: 14503 [ 59.589507] hardirqs last enabled at (14513): [] __up_console_sem+0x78/0x80 [ 59.590591] hardirqs last disabled at (14524): [] __up_console_sem+0x5d/0x80 [ 59.591654] softirqs last enabled at (14242): [] irq_exit_rcu+0x93/0xc0 [ 59.592699] softirqs last disabled at (14237): [] irq_exit_rcu+0x93/0xc0 [ 59.593746] ---[ end trace 0000000000000000 ]--- [ 61.109791] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.157139] Bluetooth: hci0: command 0x041b tx timeout executing program [ 65.205130] Bluetooth: hci0: command 0x040f tx timeout [ 67.253089] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 08:57:18 Registers: info registers vcpu 0 RAX=0000000000020dd1 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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 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=00007f2dd70cada0 CR3=00000000094ee000 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=2031323a37353a38302037312079614d XMM01=5d3033343236342e39352020205b203a XMM02=74656e20746120343632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120343632203a4449 XMM06=57205d3033343236342e39352020205b XMM07=79732031323a37353a38302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801b5ff620 R8 =0000000000000001 R9 =ffffed10036bfeb5 R10=0000000000000003 R11=0000000000000001 R12=000000000000005f R13=ffffffff87f27bc0 R14=ffffffff87f27c10 R15=ffffffff87f27e78 RIP=ffffffff82507645 RFL=00000006 [-----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 0000555556cc0400 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=00007f017d5756f4 CR3=000000001a284000 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