syzkaller login: [ 51.822009] sshd (216) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:41636' (ECDSA) to the list of known hosts. 2023/05/16 23:12:01 fuzzer started 2023/05/16 23:12:01 dialing manager at localhost:35573 2023/05/16 23:12:01 checking machine... 2023/05/16 23:12:01 checking revisions... [ 54.049262] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:12:01 testing simple program... [ 54.113947] cgroup: Unknown subsys name 'net' [ 54.182031] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 65.785731] audit: type=1400 audit(1684278733.428:6): 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 executing program [ 66.865214] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 66.867774] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 66.870922] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 66.881219] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 66.883606] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 66.885110] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 67.266072] ------------[ cut here ]------------ [ 67.267249] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 67.269358] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.270615] Modules linked in: [ 67.271252] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 67.276044] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.277076] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.277743] 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 [ 67.279915] RSP: 0018:ffff888016aafc00 EFLAGS: 00010282 [ 67.280564] RAX: 0000000000000000 RBX: ffff88800f07f840 RCX: 0000000000000000 [ 67.281475] RDX: ffff8880198f9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 67.282358] RBP: ffff88800f07f854 R08: 0000000000000001 R09: 0000000000000000 [ 67.283243] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 67.284130] R13: ffffffff84e223a0 R14: ffff88800f07f848 R15: ffffffff84d73340 [ 67.285024] FS: 00005555561f6400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 67.286013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.286754] CR2: 00007fb1822586f4 CR3: 0000000019ec2000 CR4: 0000000000350ee0 [ 67.287608] Call Trace: [ 67.287962] [ 67.288265] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 67.288917] ipv4_frags_init_net+0x269/0x440 [ 67.289471] ops_init+0xbb/0x6b0 [ 67.289940] setup_net+0x3d9/0x990 [ 67.290391] ? down_read_killable+0x1d7/0x4e0 [ 67.290980] ? __pfx_setup_net+0x10/0x10 [ 67.291484] ? copy_net_ns+0x17c/0x770 [ 67.292011] copy_net_ns+0x321/0x770 [ 67.292489] create_new_namespaces+0x3f6/0xb30 [ 67.293102] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.293742] ksys_unshare+0x44d/0x8e0 [ 67.294235] ? __pfx_ksys_unshare+0x10/0x10 [ 67.294810] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.295518] __x64_sys_unshare+0x31/0x40 [ 67.296062] do_syscall_64+0x3f/0x90 [ 67.296535] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.297207] RIP: 0033:0x7fb3e6b8e0d7 [ 67.297669] 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 [ 67.299841] RSP: 002b:00007ffe62a4b7c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 67.300775] RAX: ffffffffffffffda RBX: 00007ffe62a4be08 RCX: 00007fb3e6b8e0d7 [ 67.301647] RDX: 00007fb3e6bf841f RSI: 00007ffe62a4b760 RDI: 0000000040000000 [ 67.302515] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe62a4b570 [ 67.303402] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb3e6ca0bf0 [ 67.304286] R13: 00007ffe62a4b8a0 R14: 0000000000000000 R15: 00000000000000f8 [ 67.305200] [ 67.305502] irq event stamp: 8027 [ 67.305948] hardirqs last enabled at (8039): [] __up_console_sem+0x78/0x80 [ 67.307004] hardirqs last disabled at (8050): [] __up_console_sem+0x5d/0x80 [ 67.308049] softirqs last enabled at (7930): [] irq_exit_rcu+0x93/0xc0 [ 67.309084] softirqs last disabled at (7925): [] irq_exit_rcu+0x93/0xc0 [ 67.310118] ---[ end trace 0000000000000000 ]--- [ 67.315275] ------------[ cut here ]------------ [ 67.315909] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 67.317639] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.318679] Modules linked in: [ 67.319110] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 67.320253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.321278] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.321940] 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 [ 67.324113] RSP: 0018:ffff888016aafc00 EFLAGS: 00010282 [ 67.324792] RAX: 0000000000000000 RBX: ffff888008d53c40 RCX: 0000000000000000 [ 67.325679] RDX: ffff8880198f9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 67.326560] RBP: ffff888008d53c54 R08: 0000000000000001 R09: 0000000000000000 [ 67.327464] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 67.328356] R13: ffffffff84e223a0 R14: ffff888008d53c48 R15: ffffffff84da62e0 [ 67.329264] FS: 00005555561f6400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 67.330252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.330990] CR2: 00007fb1822586f4 CR3: 0000000019ec2000 CR4: 0000000000350ee0 [ 67.331867] Call Trace: [ 67.332189] [ 67.332487] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 67.333147] ipv6_frags_init_net+0x206/0x3c0 [ 67.333737] ops_init+0xbb/0x6b0 [ 67.334182] setup_net+0x3d9/0x990 [ 67.334650] ? down_read_killable+0x1d7/0x4e0 [ 67.335243] ? __pfx_setup_net+0x10/0x10 [ 67.335776] ? copy_net_ns+0x17c/0x770 [ 67.336283] copy_net_ns+0x321/0x770 [ 67.336788] create_new_namespaces+0x3f6/0xb30 [ 67.337394] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.338042] ksys_unshare+0x44d/0x8e0 [ 67.338540] ? __pfx_ksys_unshare+0x10/0x10 [ 67.339112] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.339861] __x64_sys_unshare+0x31/0x40 [ 67.340377] do_syscall_64+0x3f/0x90 [ 67.340890] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.341529] RIP: 0033:0x7fb3e6b8e0d7 [ 67.342020] 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 [ 67.344189] RSP: 002b:00007ffe62a4b7c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 67.345130] RAX: ffffffffffffffda RBX: 00007ffe62a4be08 RCX: 00007fb3e6b8e0d7 [ 67.346010] RDX: 00007fb3e6bf841f RSI: 00007ffe62a4b760 RDI: 0000000040000000 [ 67.346879] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe62a4b570 [ 67.347760] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb3e6ca0bf0 [ 67.348607] R13: 00007ffe62a4b8a0 R14: 0000000000000000 R15: 00000000000000f8 [ 67.349539] [ 67.349876] irq event stamp: 9617 [ 67.350302] hardirqs last enabled at (9627): [] __up_console_sem+0x78/0x80 [ 67.351374] hardirqs last disabled at (9638): [] __up_console_sem+0x5d/0x80 [ 67.352424] softirqs last enabled at (8962): [] irq_exit_rcu+0x93/0xc0 [ 67.353458] softirqs last disabled at (8957): [] irq_exit_rcu+0x93/0xc0 [ 67.354483] ---[ end trace 0000000000000000 ]--- [ 67.355851] ------------[ cut here ]------------ [ 67.356428] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 67.358415] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 67.359478] Modules linked in: [ 67.359910] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 67.361077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 67.362079] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 67.362741] 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 [ 67.364905] RSP: 0018:ffff888016aafbf0 EFLAGS: 00010286 [ 67.365546] RAX: 0000000000000000 RBX: ffff88800c6e9840 RCX: 0000000000000000 [ 67.366439] RDX: ffff8880198f9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 67.367316] RBP: ffff88800c6e9854 R08: 0000000000000001 R09: 0000000000000000 [ 67.368188] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 67.369083] R13: ffffffff84e223a0 R14: ffff88800c6e9848 R15: ffffffff84daf020 [ 67.369970] FS: 00005555561f6400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 67.370950] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.371656] CR2: 00007fb1822586f4 CR3: 0000000019ec2000 CR4: 0000000000350ee0 [ 67.372542] Call Trace: [ 67.372909] [ 67.373205] nf_ct_net_init+0x224/0x3d0 [ 67.373750] ? __pfx_nf_ct_net_init+0x10/0x10 [ 67.374323] ops_init+0xbb/0x6b0 [ 67.374791] setup_net+0x3d9/0x990 [ 67.375238] ? down_read_killable+0x1d7/0x4e0 [ 67.375832] ? __pfx_setup_net+0x10/0x10 [ 67.376335] ? copy_net_ns+0x17c/0x770 [ 67.376880] copy_net_ns+0x321/0x770 [ 67.377353] create_new_namespaces+0x3f6/0xb30 [ 67.377959] unshare_nsproxy_namespaces+0xc1/0x200 [ 67.378570] ksys_unshare+0x44d/0x8e0 [ 67.379099] ? __pfx_ksys_unshare+0x10/0x10 [ 67.379651] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 67.380379] __x64_sys_unshare+0x31/0x40 [ 67.380937] do_syscall_64+0x3f/0x90 [ 67.381424] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 67.382093] RIP: 0033:0x7fb3e6b8e0d7 [ 67.382557] 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 [ 67.384724] RSP: 002b:00007ffe62a4b7c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 67.385656] RAX: ffffffffffffffda RBX: 00007ffe62a4be08 RCX: 00007fb3e6b8e0d7 [ 67.386535] RDX: 00007fb3e6bf841f RSI: 00007ffe62a4b760 RDI: 0000000040000000 [ 67.387420] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe62a4b570 [ 67.388313] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb3e6ca0bf0 [ 67.389211] R13: 00007ffe62a4b8a0 R14: 0000000000000000 R15: 00000000000000f8 [ 67.390119] [ 67.390416] irq event stamp: 10379 [ 67.390882] hardirqs last enabled at (10391): [] __up_console_sem+0x78/0x80 [ 67.391932] hardirqs last disabled at (10402): [] __up_console_sem+0x5d/0x80 [ 67.393013] softirqs last enabled at (10018): [] irq_exit_rcu+0x93/0xc0 [ 67.394046] softirqs last disabled at (10009): [] irq_exit_rcu+0x93/0xc0 [ 67.395072] ---[ end trace 0000000000000000 ]--- executing program [ 68.945414] Bluetooth: hci0: command 0x0409 tx timeout [ 70.993863] Bluetooth: hci0: command 0x041b tx timeout executing program [ 73.040857] Bluetooth: hci0: command 0x040f tx timeout executing program [ 75.088813] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 23:12:05 Registers: info registers vcpu 0 RAX=000000000002b3e5 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=00007fb3f1e14070 CR3=0000000016088000 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=14ec4ef728c0439128464b42f3f366cd XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=a5d20e970409c1dc000000000013d3f0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=4adfa8860b1be69100000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000063 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016aaf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000063 R11=0000000000000001 R12=0000000000000063 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 00005555561f6400 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=00007fb1822586f4 CR3=0000000019ec2000 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