syzkaller login: [ 43.218265] sshd (234) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:64336' (ECDSA) to the list of known hosts. 2023/05/17 22:52:53 fuzzer started 2023/05/17 22:52:54 dialing manager at localhost:44319 2023/05/17 22:52:54 checking machine... 2023/05/17 22:52:54 checking revisions... [ 44.247532] kmemleak: Automatic memory scanning thread ended 2023/05/17 22:52:54 testing simple program... [ 44.308064] cgroup: Unknown subsys name 'net' [ 44.387348] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.514454] audit: type=1400 audit(1684363987.548:6): avc: denied { execmem } for pid=268 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 58.644398] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.646384] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.648161] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.650832] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.652619] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.661095] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.073716] ------------[ cut here ]------------ [ 59.074544] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.076508] WARNING: CPU: 1 PID: 269 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.077819] Modules linked in: [ 59.078341] CPU: 1 PID: 269 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.083370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.084616] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.085440] 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 [ 59.087785] RSP: 0018:ffff888016797c00 EFLAGS: 00010282 [ 59.088525] RAX: 0000000000000000 RBX: ffff88800d55e440 RCX: 0000000000000000 [ 59.089471] RDX: ffff88801676d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.090391] RBP: ffff88800d55e454 R08: 0000000000000001 R09: 0000000000000000 [ 59.091331] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.092276] R13: ffffffff84e23fe0 R14: ffff88800d55e448 R15: ffffffff84d74dc0 [ 59.093227] FS: 0000555556389400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.094265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.095009] CR2: 00007fc6ddfc76f4 CR3: 000000000ec56000 CR4: 0000000000350ee0 [ 59.095940] Call Trace: [ 59.096309] [ 59.096638] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.097310] ipv4_frags_init_net+0x269/0x440 [ 59.097889] ops_init+0xbb/0x6b0 [ 59.098392] setup_net+0x3d9/0x990 [ 59.098865] ? down_read_killable+0x1d7/0x4e0 [ 59.099496] ? __pfx_setup_net+0x10/0x10 [ 59.100037] ? copy_net_ns+0x17c/0x770 [ 59.100602] copy_net_ns+0x321/0x770 [ 59.101096] create_new_namespaces+0x3f6/0xb30 [ 59.101731] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.102401] ksys_unshare+0x44d/0x8e0 [ 59.102913] ? __pfx_ksys_unshare+0x10/0x10 [ 59.103516] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.104282] __x64_sys_unshare+0x31/0x40 [ 59.104846] do_syscall_64+0x3f/0x90 [ 59.105392] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.106077] RIP: 0033:0x7f4c5104f0d7 [ 59.106620] 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 [ 59.108945] RSP: 002b:00007ffd4ba107a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.109943] RAX: ffffffffffffffda RBX: 00007ffd4ba10de8 RCX: 00007f4c5104f0d7 [ 59.110872] RDX: 00007f4c510b941f RSI: 00007ffd4ba10740 RDI: 0000000040000000 [ 59.111806] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4ba10550 [ 59.112747] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4c51161bf0 [ 59.113675] R13: 00007ffd4ba10880 R14: 0000000000000000 R15: 00000000000000f8 [ 59.114630] [ 59.114943] irq event stamp: 8273 [ 59.115415] hardirqs last enabled at (8285): [] __up_console_sem+0x78/0x80 [ 59.116551] hardirqs last disabled at (8296): [] __up_console_sem+0x5d/0x80 [ 59.117644] softirqs last enabled at (7840): [] irq_exit_rcu+0x93/0xc0 [ 59.118695] softirqs last disabled at (7825): [] irq_exit_rcu+0x93/0xc0 [ 59.119749] ---[ end trace 0000000000000000 ]--- executing program [ 59.125179] ------------[ cut here ]------------ [ 59.125817] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.127570] WARNING: CPU: 1 PID: 269 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.128684] Modules linked in: [ 59.129109] CPU: 1 PID: 269 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.130306] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.131344] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.132009] 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 [ 59.134274] RSP: 0018:ffff888016797c00 EFLAGS: 00010282 [ 59.134952] RAX: 0000000000000000 RBX: ffff888016436040 RCX: 0000000000000000 [ 59.135863] RDX: ffff88801676d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.136807] RBP: ffff888016436054 R08: 0000000000000001 R09: 0000000000000000 [ 59.137715] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.138627] R13: ffffffff84e23fe0 R14: ffff888016436048 R15: ffffffff84da7d60 [ 59.139544] FS: 0000555556389400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.140605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.141371] CR2: 00007fc6ddfc76f4 CR3: 000000000ec56000 CR4: 0000000000350ee0 [ 59.142289] Call Trace: [ 59.142623] [ 59.142925] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.143590] ipv6_frags_init_net+0x206/0x3c0 [ 59.144174] ops_init+0xbb/0x6b0 [ 59.144702] setup_net+0x3d9/0x990 [ 59.145170] ? down_read_killable+0x1d7/0x4e0 [ 59.145794] ? __pfx_setup_net+0x10/0x10 [ 59.146345] ? copy_net_ns+0x17c/0x770 [ 59.146867] copy_net_ns+0x321/0x770 [ 59.147396] create_new_namespaces+0x3f6/0xb30 [ 59.148007] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.148682] ksys_unshare+0x44d/0x8e0 [ 59.149211] ? __pfx_ksys_unshare+0x10/0x10 [ 59.149780] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.150556] __x64_sys_unshare+0x31/0x40 [ 59.151087] do_syscall_64+0x3f/0x90 [ 59.151604] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.152303] RIP: 0033:0x7f4c5104f0d7 [ 59.152799] 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 [ 59.155018] RSP: 002b:00007ffd4ba107a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.155995] RAX: ffffffffffffffda RBX: 00007ffd4ba10de8 RCX: 00007f4c5104f0d7 [ 59.156944] RDX: 00007f4c510b941f RSI: 00007ffd4ba10740 RDI: 0000000040000000 [ 59.157871] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4ba10550 [ 59.158802] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4c51161bf0 [ 59.159853] R13: 00007ffd4ba10880 R14: 0000000000000000 R15: 00000000000000f8 [ 59.160845] [ 59.161157] irq event stamp: 9829 [ 59.161651] hardirqs last enabled at (9841): [] __up_console_sem+0x78/0x80 [ 59.162765] hardirqs last disabled at (9852): [] __up_console_sem+0x5d/0x80 [ 59.163886] softirqs last enabled at (9680): [] irq_exit_rcu+0x93/0xc0 [ 59.165015] softirqs last disabled at (9671): [] irq_exit_rcu+0x93/0xc0 [ 59.166129] ---[ end trace 0000000000000000 ]--- [ 59.167614] ------------[ cut here ]------------ [ 59.168376] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.170347] WARNING: CPU: 1 PID: 269 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.171439] Modules linked in: [ 59.171855] CPU: 1 PID: 269 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.173067] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.174118] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.174826] 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 [ 59.177101] RSP: 0018:ffff888016797bf0 EFLAGS: 00010286 [ 59.177841] RAX: 0000000000000000 RBX: ffff888016436640 RCX: 0000000000000000 [ 59.178768] RDX: ffff88801676d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.179687] RBP: ffff888016436654 R08: 0000000000000001 R09: 0000000000000000 [ 59.180632] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.181561] R13: ffffffff84e23fe0 R14: ffff888016436648 R15: ffffffff84db0aa0 [ 59.182489] FS: 0000555556389400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.183513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.184284] CR2: 00007fc6ddfc76f4 CR3: 000000000ec56000 CR4: 0000000000350ee0 [ 59.185225] Call Trace: [ 59.185566] [ 59.185873] nf_ct_net_init+0x224/0x3d0 [ 59.186431] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.187014] ops_init+0xbb/0x6b0 [ 59.187511] setup_net+0x3d9/0x990 [ 59.187982] ? down_read_killable+0x1d7/0x4e0 [ 59.188605] ? __pfx_setup_net+0x10/0x10 [ 59.189129] ? copy_net_ns+0x17c/0x770 [ 59.189680] copy_net_ns+0x321/0x770 [ 59.190180] create_new_namespaces+0x3f6/0xb30 [ 59.190815] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.191472] ksys_unshare+0x44d/0x8e0 [ 59.191975] ? __pfx_ksys_unshare+0x10/0x10 [ 59.192593] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.193351] __x64_sys_unshare+0x31/0x40 [ 59.193881] do_syscall_64+0x3f/0x90 [ 59.194410] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.195077] RIP: 0033:0x7f4c5104f0d7 [ 59.195593] 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 [ 59.197862] RSP: 002b:00007ffd4ba107a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.198866] RAX: ffffffffffffffda RBX: 00007ffd4ba10de8 RCX: 00007f4c5104f0d7 [ 59.199790] RDX: 00007f4c510b941f RSI: 00007ffd4ba10740 RDI: 0000000040000000 [ 59.200734] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4ba10550 [ 59.201660] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4c51161bf0 [ 59.202582] R13: 00007ffd4ba10880 R14: 0000000000000000 R15: 00000000000000f8 [ 59.203534] [ 59.203838] irq event stamp: 10701 [ 59.204319] hardirqs last enabled at (10713): [] __up_console_sem+0x78/0x80 [ 59.205428] hardirqs last disabled at (10724): [] __up_console_sem+0x5d/0x80 [ 59.206547] softirqs last enabled at (10574): [] irq_exit_rcu+0x93/0xc0 [ 59.207616] softirqs last disabled at (10569): [] irq_exit_rcu+0x93/0xc0 [ 59.208717] ---[ end trace 0000000000000000 ]--- [ 60.734942] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.783339] Bluetooth: hci0: command 0x041b tx timeout [ 64.830697] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.878262] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:53:08 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000004 RCX=ffffffff812cff36 RDX=1ffffffff0ef9c43 RSI=0000000000000008 RDI=ffffffff877ce218 RBP=0000000000000001 RSP=ffff888016e0f770 R8 =0000000000000000 R9 =fffffbfff0ef3948 R10=ffffffff8779ca47 R11=0000000000000001 R12=ffff888016d84138 R13=ffff888016d83680 R14=ffff888016dc5178 R15=ffffffff877ce160 RIP=ffffffff812cff6f RFL=00000012 [----A--] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fa6ba80c900 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=00007fa6b9d33020 CR3=0000000016234000 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=494e4f544f4e4f4d5f454352554f535f XMM01=49545f43494e4f544f4e4f4d5f454352 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=3a3eb7fd576b9176000000000013be10 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=2a859763c78f775f00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000039 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880167975f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000039 R11=0000000000000001 R12=0000000000000039 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 0000555556389400 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=00007fc6ddfc76f4 CR3=000000000ec56000 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