syzkaller login: [ 51.653068] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:63414' (ECDSA) to the list of known hosts. 2023/05/17 23:49:25 fuzzer started 2023/05/17 23:49:25 dialing manager at localhost:44319 2023/05/17 23:49:25 checking machine... 2023/05/17 23:49:25 checking revisions... [ 53.698808] kmemleak: Automatic memory scanning thread ended 2023/05/17 23:49:25 testing simple program... [ 53.752249] cgroup: Unknown subsys name 'net' [ 53.797267] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 66.646212] audit: type=1400 audit(1684367378.910:6): avc: denied { execmem } for pid=266 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 67.751482] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.753622] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.755337] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.759415] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.761635] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.762974] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.160982] ------------[ cut here ]------------ [ 68.161740] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 68.163669] WARNING: CPU: 1 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.164960] Modules linked in: [ 68.165442] CPU: 1 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.170557] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.171773] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.172604] 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 [ 68.174894] RSP: 0018:ffff88801813fc00 EFLAGS: 00010282 [ 68.175548] RAX: 0000000000000000 RBX: ffff88800e682040 RCX: 0000000000000000 [ 68.176484] RDX: ffff888016b73680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.177388] RBP: ffff88800e682054 R08: 0000000000000001 R09: 0000000000000000 [ 68.178288] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 68.179183] R13: ffffffff84e23fe0 R14: ffff88800e682048 R15: ffffffff84d74dc0 [ 68.180083] FS: 000055555657c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 68.181113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.181817] CR2: 00007f5327ccd6f4 CR3: 00000000145a4000 CR4: 0000000000350ee0 [ 68.182717] Call Trace: [ 68.183075] [ 68.183378] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 68.184021] ipv4_frags_init_net+0x269/0x440 [ 68.184617] ops_init+0xbb/0x6b0 [ 68.185104] setup_net+0x3d9/0x990 [ 68.185567] ? down_read_killable+0x1d7/0x4e0 [ 68.186175] ? __pfx_setup_net+0x10/0x10 [ 68.186691] ? copy_net_ns+0x17c/0x770 [ 68.187229] copy_net_ns+0x321/0x770 [ 68.187720] create_new_namespaces+0x3f6/0xb30 [ 68.188345] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.188995] ksys_unshare+0x44d/0x8e0 [ 68.189485] ? __pfx_ksys_unshare+0x10/0x10 [ 68.190061] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.190788] __x64_sys_unshare+0x31/0x40 [ 68.191342] do_syscall_64+0x3f/0x90 [ 68.191820] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.192508] RIP: 0033:0x7f0e4a69b0d7 [ 68.192998] 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 [ 68.195184] RSP: 002b:00007ffcfc7b1658 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 68.196141] RAX: ffffffffffffffda RBX: 00007ffcfc7b1c98 RCX: 00007f0e4a69b0d7 [ 68.197055] RDX: 00007f0e4a70541f RSI: 00007ffcfc7b15f0 RDI: 0000000040000000 [ 68.197958] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcfc7b1400 [ 68.198823] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0e4a7adbf0 [ 68.199713] R13: 00007ffcfc7b1730 R14: 0000000000000000 R15: 00000000000000f8 [ 68.200650] [ 68.200989] irq event stamp: 8071 [ 68.201419] hardirqs last enabled at (8081): [] __up_console_sem+0x78/0x80 [ 68.202484] hardirqs last disabled at (8092): [] __up_console_sem+0x5d/0x80 [ 68.203573] softirqs last enabled at (7644): [] irq_exit_rcu+0x93/0xc0 [ 68.204618] softirqs last disabled at (7627): [] irq_exit_rcu+0x93/0xc0 [ 68.205683] ---[ end trace 0000000000000000 ]--- [ 68.211937] ------------[ cut here ]------------ [ 68.212562] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 68.214283] WARNING: CPU: 1 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.215373] Modules linked in: [ 68.215785] CPU: 1 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.216983] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.218025] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.218683] 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 [ 68.220917] RSP: 0018:ffff88801813fc00 EFLAGS: 00010282 [ 68.221577] RAX: 0000000000000000 RBX: ffff888013a4fc40 RCX: 0000000000000000 [ 68.222485] RDX: ffff888016b73680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.223393] RBP: ffff888013a4fc54 R08: 0000000000000001 R09: 0000000000000000 [ 68.224326] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.225224] R13: ffffffff84e23fe0 R14: ffff888013a4fc48 R15: ffffffff84da7d60 [ 68.226125] FS: 000055555657c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 68.227149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.227903] CR2: 00007f5327ccd6f4 CR3: 00000000145a4000 CR4: 0000000000350ee0 [ 68.228783] Call Trace: [ 68.229148] [ 68.229450] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 68.230103] ipv6_frags_init_net+0x206/0x3c0 [ 68.230682] ops_init+0xbb/0x6b0 [ 68.231161] setup_net+0x3d9/0x990 [ 68.231620] ? down_read_killable+0x1d7/0x4e0 [ 68.232223] ? __pfx_setup_net+0x10/0x10 [ 68.232760] ? copy_net_ns+0x17c/0x770 [ 68.233311] copy_net_ns+0x321/0x770 [ 68.233796] create_new_namespaces+0x3f6/0xb30 [ 68.234416] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.235075] ksys_unshare+0x44d/0x8e0 [ 68.235571] ? __pfx_ksys_unshare+0x10/0x10 [ 68.236145] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.236910] __x64_sys_unshare+0x31/0x40 [ 68.237438] do_syscall_64+0x3f/0x90 [ 68.237946] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.238607] RIP: 0033:0x7f0e4a69b0d7 [ 68.239119] 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 [ 68.241300] RSP: 002b:00007ffcfc7b1658 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 68.242248] RAX: ffffffffffffffda RBX: 00007ffcfc7b1c98 RCX: 00007f0e4a69b0d7 [ 68.243140] RDX: 00007f0e4a70541f RSI: 00007ffcfc7b15f0 RDI: 0000000040000000 [ 68.244030] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcfc7b1400 [ 68.244957] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0e4a7adbf0 [ 68.245861] R13: 00007ffcfc7b1730 R14: 0000000000000000 R15: 00000000000000f8 [ 68.246742] [ 68.247071] irq event stamp: 10809 [ 68.247519] hardirqs last enabled at (10819): [] __up_console_sem+0x78/0x80 [ 68.248601] hardirqs last disabled at (10830): [] __up_console_sem+0x5d/0x80 [ 68.249672] softirqs last enabled at (10360): [] irq_exit_rcu+0x93/0xc0 [ 68.250764] softirqs last disabled at (10355): [] irq_exit_rcu+0x93/0xc0 [ 68.251812] ---[ end trace 0000000000000000 ]--- [ 68.253373] ------------[ cut here ]------------ [ 68.253981] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 68.255764] WARNING: CPU: 1 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.256788] Modules linked in: [ 68.257205] CPU: 1 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.258290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.259261] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.259939] 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 [ 68.262116] RSP: 0018:ffff88801813fbf0 EFLAGS: 00010286 [ 68.262761] RAX: 0000000000000000 RBX: ffff888013a4ec40 RCX: 0000000000000000 [ 68.263647] RDX: ffff888016b73680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.264562] RBP: ffff888013a4ec54 R08: 0000000000000001 R09: 0000000000000000 [ 68.265466] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.266342] R13: ffffffff84e23fe0 R14: ffff888013a4ec48 R15: ffffffff84db0aa0 [ 68.267241] FS: 000055555657c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 68.268232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.268994] CR2: 00007f5327ccd6f4 CR3: 00000000145a4000 CR4: 0000000000350ee0 [ 68.269885] Call Trace: [ 68.270212] [ 68.270513] nf_ct_net_init+0x224/0x3d0 [ 68.271074] ? __pfx_nf_ct_net_init+0x10/0x10 [ 68.271648] ops_init+0xbb/0x6b0 [ 68.272131] setup_net+0x3d9/0x990 [ 68.272606] ? down_read_killable+0x1d7/0x4e0 [ 68.273188] ? __pfx_setup_net+0x10/0x10 [ 68.273677] ? copy_net_ns+0x17c/0x770 [ 68.274192] copy_net_ns+0x321/0x770 [ 68.274654] create_new_namespaces+0x3f6/0xb30 [ 68.275242] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.275862] ksys_unshare+0x44d/0x8e0 [ 68.276390] ? __pfx_ksys_unshare+0x10/0x10 [ 68.276965] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.277690] __x64_sys_unshare+0x31/0x40 [ 68.278249] do_syscall_64+0x3f/0x90 [ 68.278750] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.279445] RIP: 0033:0x7f0e4a69b0d7 [ 68.279943] 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 [ 68.282156] RSP: 002b:00007ffcfc7b1658 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 68.283134] RAX: ffffffffffffffda RBX: 00007ffcfc7b1c98 RCX: 00007f0e4a69b0d7 [ 68.284042] RDX: 00007f0e4a70541f RSI: 00007ffcfc7b15f0 RDI: 0000000040000000 [ 68.284967] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcfc7b1400 [ 68.285861] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0e4a7adbf0 [ 68.286737] R13: 00007ffcfc7b1730 R14: 0000000000000000 R15: 00000000000000f8 [ 68.287676] [ 68.288013] irq event stamp: 11657 [ 68.288467] hardirqs last enabled at (11667): [] __up_console_sem+0x78/0x80 [ 68.289552] hardirqs last disabled at (11678): [] __up_console_sem+0x5d/0x80 [ 68.290625] softirqs last enabled at (11582): [] irq_exit_rcu+0x93/0xc0 [ 68.291680] softirqs last disabled at (11573): [] irq_exit_rcu+0x93/0xc0 [ 68.292736] ---[ end trace 0000000000000000 ]--- executing program [ 69.827403] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 71.875086] Bluetooth: hci0: command 0x041b tx timeout [ 73.923025] Bluetooth: hci0: command 0x040f tx timeout executing program [ 75.970886] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:49:31 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000068 RCX=ffffffff8186be6c RDX=ffffed10019f4c01 RSI=0000000000000004 RDI=ffff88800cfa6000 RBP=ffff88801fe0aa00 RSP=ffff88806ce09e48 R8 =0000000000000001 R9 =ffffed10019f4c00 R10=ffff88800cfa6003 R11=0000000000000001 R12=ffff88800cfa6000 R13=ffff88806ce09ee8 R14=ffff88806ce34fc0 R15=ffff88801fe0aa00 RIP=ffffffff8186be71 RFL=00000246 [---Z-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 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=00007f4d7e9db130 CR3=000000000db84000 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=2030343a39343a33322037312079614d XMM01=5d3234343536312e38362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d32 XMM07=6e72656b2072656c6c616b7a79732030 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000047 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801813f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000047 R11=0000000000000001 R12=0000000000000047 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 000055555657c400 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=00007f5327ccd6f4 CR3=00000000145a4000 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