syzkaller login: [ 35.021559] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:39170' (ECDSA) to the list of known hosts. 2023/05/17 23:40:30 fuzzer started 2023/05/17 23:40:31 dialing manager at localhost:44319 2023/05/17 23:40:31 checking machine... 2023/05/17 23:40:31 checking revisions... [ 36.247055] kmemleak: Automatic memory scanning thread ended 2023/05/17 23:40:31 testing simple program... [ 36.309031] cgroup: Unknown subsys name 'net' [ 36.412367] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.635973] audit: type=1400 audit(1684366845.647:6): 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 [ 51.760490] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.762046] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.764055] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.767800] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.769468] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.771355] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.183021] ------------[ cut here ]------------ [ 52.184559] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.186698] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.187974] Modules linked in: [ 52.188368] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.190525] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.192731] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.193515] 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 [ 52.196007] RSP: 0018:ffff88801a36fc00 EFLAGS: 00010282 [ 52.196721] RAX: 0000000000000000 RBX: ffff88800d999440 RCX: 0000000000000000 [ 52.197633] RDX: ffff88800fc19b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.198570] RBP: ffff88800d999454 R08: 0000000000000001 R09: 0000000000000000 [ 52.199490] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.200375] R13: ffffffff84e23fe0 R14: ffff88800d999448 R15: ffffffff84d74dc0 [ 52.201335] FS: 0000555555da7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.202374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.203134] CR2: 00007f73db6196f4 CR3: 0000000019d46000 CR4: 0000000000350ef0 [ 52.204073] Call Trace: [ 52.204434] [ 52.204731] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.205344] ipv4_frags_init_net+0x269/0x440 [ 52.205934] ops_init+0xbb/0x6b0 [ 52.206429] setup_net+0x3d9/0x990 [ 52.206908] ? down_read_killable+0x1d7/0x4e0 [ 52.207514] ? __pfx_setup_net+0x10/0x10 [ 52.208032] ? copy_net_ns+0x17c/0x770 [ 52.208590] copy_net_ns+0x321/0x770 [ 52.209076] create_new_namespaces+0x3f6/0xb30 [ 52.209709] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.210326] ksys_unshare+0x44d/0x8e0 [ 52.210860] ? __pfx_ksys_unshare+0x10/0x10 [ 52.211444] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.212165] __x64_sys_unshare+0x31/0x40 [ 52.212717] do_syscall_64+0x3f/0x90 [ 52.213200] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.213882] RIP: 0033:0x7f62509750d7 [ 52.214347] 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 [ 52.216523] RSP: 002b:00007fff9f99a5e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.217494] RAX: ffffffffffffffda RBX: 00007fff9f99ac28 RCX: 00007f62509750d7 [ 52.218366] RDX: 00007f62509df41f RSI: 00007fff9f99a580 RDI: 0000000040000000 [ 52.219284] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9f99a390 [ 52.220175] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6250a87bf0 [ 52.221071] R13: 00007fff9f99a6c0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.221995] [ 52.222307] irq event stamp: 8337 [ 52.222778] hardirqs last enabled at (8349): [] __up_console_sem+0x78/0x80 [ 52.223837] hardirqs last disabled at (8360): [] __up_console_sem+0x5d/0x80 [ 52.224901] softirqs last enabled at (7886): [] irq_exit_rcu+0x93/0xc0 [ 52.225947] softirqs last disabled at (7867): [] irq_exit_rcu+0x93/0xc0 [ 52.227014] ---[ end trace 0000000000000000 ]--- [ 52.232903] ------------[ cut here ]------------ [ 52.233529] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.235283] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.236370] Modules linked in: [ 52.236814] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.237994] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.239025] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.239700] 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 [ 52.241891] RSP: 0018:ffff88801a36fc00 EFLAGS: 00010282 [ 52.242577] RAX: 0000000000000000 RBX: ffff88800f073240 RCX: 0000000000000000 [ 52.243506] RDX: ffff88800fc19b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.244368] RBP: ffff88800f073254 R08: 0000000000000001 R09: 0000000000000000 [ 52.245263] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.246196] R13: ffffffff84e23fe0 R14: ffff88800f073248 R15: ffffffff84da7d60 [ 52.247113] FS: 0000555555da7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.248161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.248930] CR2: 00007f73db6196f4 CR3: 0000000019d46000 CR4: 0000000000350ef0 [ 52.249832] Call Trace: [ 52.250168] [ 52.250510] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.251142] ipv6_frags_init_net+0x206/0x3c0 [ 52.251747] ops_init+0xbb/0x6b0 [ 52.252207] setup_net+0x3d9/0x990 [ 52.252704] ? down_read_killable+0x1d7/0x4e0 [ 52.253279] ? __pfx_setup_net+0x10/0x10 [ 52.253840] ? copy_net_ns+0x17c/0x770 [ 52.254361] copy_net_ns+0x321/0x770 [ 52.254920] create_new_namespaces+0x3f6/0xb30 [ 52.255546] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.256190] ksys_unshare+0x44d/0x8e0 [ 52.256717] ? __pfx_ksys_unshare+0x10/0x10 [ 52.257270] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.258025] __x64_sys_unshare+0x31/0x40 [ 52.258575] do_syscall_64+0x3f/0x90 [ 52.259065] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.259748] RIP: 0033:0x7f62509750d7 [ 52.260211] 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 [ 52.262419] RSP: 002b:00007fff9f99a5e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.263360] RAX: ffffffffffffffda RBX: 00007fff9f99ac28 RCX: 00007f62509750d7 [ 52.264316] RDX: 00007f62509df41f RSI: 00007fff9f99a580 RDI: 0000000040000000 [ 52.265254] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9f99a390 [ 52.266207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6250a87bf0 [ 52.267168] R13: 00007fff9f99a6c0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.268131] [ 52.268486] irq event stamp: 10171 [ 52.268953] hardirqs last enabled at (10181): [] __up_console_sem+0x78/0x80 [ 52.270073] hardirqs last disabled at (10192): [] __up_console_sem+0x5d/0x80 [ 52.271250] softirqs last enabled at (9806): [] irq_exit_rcu+0x93/0xc0 [ 52.272360] softirqs last disabled at (9785): [] irq_exit_rcu+0x93/0xc0 [ 52.273476] ---[ end trace 0000000000000000 ]--- [ 52.274912] ------------[ cut here ]------------ [ 52.275610] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.277533] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.278613] Modules linked in: [ 52.279045] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.280225] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.281259] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.281949] 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 [ 52.284163] RSP: 0018:ffff88801a36fbf0 EFLAGS: 00010286 [ 52.284859] RAX: 0000000000000000 RBX: ffff88800f073840 RCX: 0000000000000000 [ 52.285753] RDX: ffff88800fc19b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.286692] RBP: ffff88800f073854 R08: 0000000000000001 R09: 0000000000000000 [ 52.287593] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.288494] R13: ffffffff84e23fe0 R14: ffff88800f073848 R15: ffffffff84db0aa0 [ 52.289372] FS: 0000555555da7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.290374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.291139] CR2: 00007f73db6196f4 CR3: 0000000019d46000 CR4: 0000000000350ef0 [ 52.292070] Call Trace: [ 52.292439] [ 52.292745] nf_ct_net_init+0x224/0x3d0 [ 52.293269] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.293887] ops_init+0xbb/0x6b0 [ 52.294334] setup_net+0x3d9/0x990 [ 52.294840] ? down_read_killable+0x1d7/0x4e0 [ 52.295441] ? __pfx_setup_net+0x10/0x10 [ 52.295963] ? copy_net_ns+0x17c/0x770 [ 52.296506] copy_net_ns+0x321/0x770 [ 52.296995] create_new_namespaces+0x3f6/0xb30 [ 52.297633] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.298251] ksys_unshare+0x44d/0x8e0 [ 52.298808] ? __pfx_ksys_unshare+0x10/0x10 [ 52.299375] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.300126] __x64_sys_unshare+0x31/0x40 [ 52.300689] do_syscall_64+0x3f/0x90 [ 52.301178] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.301870] RIP: 0033:0x7f62509750d7 [ 52.302334] 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 [ 52.304538] RSP: 002b:00007fff9f99a5e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.305503] RAX: ffffffffffffffda RBX: 00007fff9f99ac28 RCX: 00007f62509750d7 [ 52.306371] RDX: 00007f62509df41f RSI: 00007fff9f99a580 RDI: 0000000040000000 [ 52.307298] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9f99a390 [ 52.308210] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6250a87bf0 [ 52.309103] R13: 00007fff9f99a6c0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.310043] [ 52.310354] irq event stamp: 11015 [ 52.310834] hardirqs last enabled at (11027): [] __up_console_sem+0x78/0x80 [ 52.311922] hardirqs last disabled at (11038): [] __up_console_sem+0x5d/0x80 [ 52.313017] softirqs last enabled at (10702): [] irq_exit_rcu+0x93/0xc0 [ 52.314068] softirqs last disabled at (10697): [] irq_exit_rcu+0x93/0xc0 [ 52.315148] ---[ end trace 0000000000000000 ]--- [ 53.846069] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.893689] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.941532] Bluetooth: hci0: command 0x040f tx timeout [ 59.989466] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:40:46 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801a36f618 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 0000555555da7400 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=00007f73db6196f4 CR3=0000000019d46000 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=000000000002667d 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=00007fddf4d7ce10 CR3=0000000014704000 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=2037343a30343a33322037312079614d XMM01=5d3836333838312e32352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732037 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000