syzkaller login: [ 35.683441] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:27246' (ECDSA) to the list of known hosts. 2023/05/16 11:15:56 fuzzer started 2023/05/16 11:15:56 dialing manager at localhost:35573 2023/05/16 11:15:57 checking machine... 2023/05/16 11:15:57 checking revisions... [ 37.830951] kmemleak: Automatic memory scanning thread ended 2023/05/16 11:15:57 testing simple program... [ 37.896940] cgroup: Unknown subsys name 'net' [ 37.970682] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.811075] audit: type=1400 audit(1684235771.121:6): 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 executing program [ 52.933892] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.936375] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.938111] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.941577] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.943407] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.944902] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.353473] ------------[ cut here ]------------ [ 53.354258] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.356582] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.357948] Modules linked in: [ 53.358481] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.364172] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.365412] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.366071] 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 [ 53.368369] RSP: 0018:ffff888015a7fc00 EFLAGS: 00010282 [ 53.369040] RAX: 0000000000000000 RBX: ffff88800f788440 RCX: 0000000000000000 [ 53.369945] RDX: ffff88801a4a3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.370862] RBP: ffff88800f788454 R08: 0000000000000001 R09: 0000000000000000 [ 53.371766] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.372665] R13: ffffffff84e223a0 R14: ffff88800f788448 R15: ffffffff84d73340 [ 53.373554] FS: 0000555556441400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.374558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.375273] CR2: 00007f02650c0160 CR3: 000000000deb0000 CR4: 0000000000350ee0 [ 53.376182] Call Trace: [ 53.376543] [ 53.376845] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.377490] ipv4_frags_init_net+0x269/0x440 [ 53.378049] ops_init+0xbb/0x6b0 [ 53.378547] setup_net+0x3d9/0x990 [ 53.379008] ? down_read_killable+0x1d7/0x4e0 [ 53.379609] ? __pfx_setup_net+0x10/0x10 [ 53.380118] ? copy_net_ns+0x17c/0x770 [ 53.380683] copy_net_ns+0x321/0x770 [ 53.381170] create_new_namespaces+0x3f6/0xb30 [ 53.381791] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.382444] ksys_unshare+0x44d/0x8e0 [ 53.382956] ? __pfx_ksys_unshare+0x10/0x10 [ 53.383537] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.384255] __x64_sys_unshare+0x31/0x40 [ 53.384805] do_syscall_64+0x3f/0x90 [ 53.385315] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.385959] RIP: 0033:0x7f2bf58210d7 [ 53.386459] 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 [ 53.388672] RSP: 002b:00007ffc9e998b98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.389651] RAX: ffffffffffffffda RBX: 00007ffc9e9991d8 RCX: 00007f2bf58210d7 [ 53.390549] RDX: 00007f2bf588b41f RSI: 00007ffc9e998b30 RDI: 0000000040000000 [ 53.391449] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9e998940 [ 53.392329] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2bf5933bf0 [ 53.393190] R13: 00007ffc9e998c70 R14: 0000000000000000 R15: 00000000000000f8 [ 53.394114] [ 53.394451] irq event stamp: 8453 [ 53.394889] hardirqs last enabled at (8463): [] __up_console_sem+0x78/0x80 [ 53.395951] hardirqs last disabled at (8474): [] __up_console_sem+0x5d/0x80 [ 53.397002] softirqs last enabled at (8054): [] irq_exit_rcu+0x93/0xc0 [ 53.398041] softirqs last disabled at (8049): [] irq_exit_rcu+0x93/0xc0 [ 53.399092] ---[ end trace 0000000000000000 ]--- [ 53.404999] ------------[ cut here ]------------ [ 53.405632] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.407453] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.408516] Modules linked in: [ 53.408925] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.410088] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.411110] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.411791] 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 [ 53.413965] RSP: 0018:ffff888015a7fc00 EFLAGS: 00010282 [ 53.414665] RAX: 0000000000000000 RBX: ffff88800ccd1440 RCX: 0000000000000000 [ 53.415562] RDX: ffff88801a4a3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.416454] RBP: ffff88800ccd1454 R08: 0000000000000001 R09: 0000000000000000 [ 53.417368] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.418225] R13: ffffffff84e223a0 R14: ffff88800ccd1448 R15: ffffffff84da62e0 [ 53.419143] FS: 0000555556441400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.420139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.420884] CR2: 00007f02650c0160 CR3: 000000000deb0000 CR4: 0000000000350ee0 [ 53.421779] Call Trace: [ 53.422112] [ 53.422444] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.423080] ipv6_frags_init_net+0x206/0x3c0 [ 53.423686] ops_init+0xbb/0x6b0 [ 53.424139] setup_net+0x3d9/0x990 [ 53.424627] ? down_read_killable+0x1d7/0x4e0 [ 53.425198] ? __pfx_setup_net+0x10/0x10 [ 53.425767] ? copy_net_ns+0x17c/0x770 [ 53.426311] copy_net_ns+0x321/0x770 [ 53.426826] create_new_namespaces+0x3f6/0xb30 [ 53.427455] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.428088] ksys_unshare+0x44d/0x8e0 [ 53.428616] ? __pfx_ksys_unshare+0x10/0x10 [ 53.429168] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.429934] __x64_sys_unshare+0x31/0x40 [ 53.430508] do_syscall_64+0x3f/0x90 [ 53.431001] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.431682] RIP: 0033:0x7f2bf58210d7 [ 53.432150] 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 [ 53.434340] RSP: 002b:00007ffc9e998b98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.435326] RAX: ffffffffffffffda RBX: 00007ffc9e9991d8 RCX: 00007f2bf58210d7 [ 53.436196] RDX: 00007f2bf588b41f RSI: 00007ffc9e998b30 RDI: 0000000040000000 [ 53.437105] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9e998940 [ 53.437994] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2bf5933bf0 [ 53.438904] R13: 00007ffc9e998c70 R14: 0000000000000000 R15: 00000000000000f8 [ 53.439843] [ 53.440153] irq event stamp: 10247 [ 53.440630] hardirqs last enabled at (10259): [] __up_console_sem+0x78/0x80 [ 53.441741] hardirqs last disabled at (10280): [] __up_console_sem+0x5d/0x80 [ 53.442849] softirqs last enabled at (10276): [] irq_exit_rcu+0x93/0xc0 [ 53.443913] softirqs last disabled at (10267): [] irq_exit_rcu+0x93/0xc0 [ 53.444956] ---[ end trace 0000000000000000 ]--- [ 53.446387] ------------[ cut here ]------------ [ 53.446973] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.449177] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.450246] Modules linked in: [ 53.450705] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.451877] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.452912] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.453591] 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 [ 53.455817] RSP: 0018:ffff888015a7fbf0 EFLAGS: 00010286 [ 53.456501] RAX: 0000000000000000 RBX: ffff88800ccd0e40 RCX: 0000000000000000 [ 53.457405] RDX: ffff88801a4a3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.458270] RBP: ffff88800ccd0e54 R08: 0000000000000001 R09: 0000000000000000 [ 53.459186] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.460079] R13: ffffffff84e223a0 R14: ffff88800ccd0e48 R15: ffffffff84daf020 [ 53.460981] FS: 0000555556441400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.461978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.462738] CR2: 00007f02650c0160 CR3: 000000000deb0000 CR4: 0000000000350ee0 [ 53.463649] Call Trace: [ 53.463983] [ 53.464311] nf_ct_net_init+0x224/0x3d0 [ 53.464824] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.465428] ops_init+0xbb/0x6b0 [ 53.465877] setup_net+0x3d9/0x990 [ 53.466362] ? down_read_killable+0x1d7/0x4e0 [ 53.466970] ? __pfx_setup_net+0x10/0x10 [ 53.467508] ? copy_net_ns+0x17c/0x770 [ 53.468018] copy_net_ns+0x321/0x770 [ 53.468528] create_new_namespaces+0x3f6/0xb30 [ 53.469119] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.469773] ksys_unshare+0x44d/0x8e0 [ 53.470269] ? __pfx_ksys_unshare+0x10/0x10 [ 53.470856] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.471595] __x64_sys_unshare+0x31/0x40 [ 53.472116] do_syscall_64+0x3f/0x90 [ 53.472641] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.473321] RIP: 0033:0x7f2bf58210d7 [ 53.473790] 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 [ 53.475975] RSP: 002b:00007ffc9e998b98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.476939] RAX: ffffffffffffffda RBX: 00007ffc9e9991d8 RCX: 00007f2bf58210d7 [ 53.477845] RDX: 00007f2bf588b41f RSI: 00007ffc9e998b30 RDI: 0000000040000000 [ 53.478759] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9e998940 [ 53.479657] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2bf5933bf0 [ 53.480558] R13: 00007ffc9e998c70 R14: 0000000000000000 R15: 00000000000000f8 [ 53.481474] [ 53.481781] irq event stamp: 11061 [ 53.482218] hardirqs last enabled at (11071): [] __up_console_sem+0x78/0x80 [ 53.483312] hardirqs last disabled at (11082): [] __up_console_sem+0x5d/0x80 [ 53.484396] softirqs last enabled at (10934): [] irq_exit_rcu+0x93/0xc0 [ 53.485438] softirqs last disabled at (10929): [] irq_exit_rcu+0x93/0xc0 [ 53.486476] ---[ end trace 0000000000000000 ]--- [ 55.009949] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.057350] Bluetooth: hci0: command 0x041b tx timeout executing program [ 59.105389] Bluetooth: hci0: command 0x040f tx timeout [ 61.153369] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:16:11 Registers: info registers vcpu 0 RAX=0000000000031aad 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=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 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=00007f02650baa80 CR3=000000000689a000 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=2032313a36313a31312036312079614d XMM01=5d3138343835332e33352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d31 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000078 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888015a7f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000078 R11=0000000000000001 R12=0000000000000078 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 0000555556441400 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=00007f02650c0160 CR3=000000000deb0000 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