syzkaller login: [ 32.271131] sshd (213) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:27144' (ECDSA) to the list of known hosts. 2023/05/17 05:42:09 fuzzer started 2023/05/17 05:42:09 dialing manager at localhost:35573 2023/05/17 05:42:09 checking machine... 2023/05/17 05:42:09 checking revisions... [ 37.425366] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:42:09 testing simple program... [ 37.499440] cgroup: Unknown subsys name 'net' [ 37.608560] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.628412] audit: type=1400 audit(1684302141.917:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.714377] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.717327] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.718760] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.723126] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.725284] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.727368] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.120532] ------------[ cut here ]------------ [ 51.121709] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.123599] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.124821] Modules linked in: [ 51.125337] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.127505] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.129575] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.130929] 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 [ 51.133510] RSP: 0018:ffff88801f4afc00 EFLAGS: 00010282 [ 51.134328] RAX: 0000000000000000 RBX: ffff88800dba5840 RCX: 0000000000000000 [ 51.135403] RDX: ffff88800cef0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.136455] RBP: ffff88800dba5854 R08: 0000000000000001 R09: 0000000000000000 [ 51.137500] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.138544] R13: ffffffff84e223a0 R14: ffff88800dba5848 R15: ffffffff84d73340 [ 51.139604] FS: 00005555567f3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.140779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.141668] CR2: 00007f6293e1dea0 CR3: 000000001a084000 CR4: 0000000000350ef0 [ 51.142708] Call Trace: [ 51.143148] [ 51.143500] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.144246] ipv4_frags_init_net+0x269/0x440 [ 51.144934] ops_init+0xbb/0x6b0 [ 51.145456] setup_net+0x3d9/0x990 [ 51.146028] ? down_read_killable+0x1d7/0x4e0 [ 51.146692] ? __pfx_setup_net+0x10/0x10 [ 51.147331] ? copy_net_ns+0x17c/0x770 [ 51.147959] copy_net_ns+0x321/0x770 [ 51.148523] create_new_namespaces+0x3f6/0xb30 [ 51.149251] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.150013] ksys_unshare+0x44d/0x8e0 [ 51.150593] ? __pfx_ksys_unshare+0x10/0x10 [ 51.151282] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.152153] __x64_sys_unshare+0x31/0x40 [ 51.152764] do_syscall_64+0x3f/0x90 [ 51.153361] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.154147] RIP: 0033:0x7ff33f7c50d7 [ 51.154696] 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 [ 51.157272] RSP: 002b:00007ffd33fad9e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.158395] RAX: ffffffffffffffda RBX: 00007ffd33fae028 RCX: 00007ff33f7c50d7 [ 51.159451] RDX: 00007ff33f82f41f RSI: 00007ffd33fad980 RDI: 0000000040000000 [ 51.160490] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd33fad790 [ 51.161535] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff33f8d7bf0 [ 51.162574] R13: 00007ffd33fadac0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.163669] [ 51.164052] irq event stamp: 8139 [ 51.164554] hardirqs last enabled at (8149): [] __up_console_sem+0x78/0x80 [ 51.165800] hardirqs last disabled at (8160): [] __up_console_sem+0x5d/0x80 [ 51.167054] softirqs last enabled at (8044): [] irq_exit_rcu+0x93/0xc0 [ 51.168268] softirqs last disabled at (8039): [] irq_exit_rcu+0x93/0xc0 [ 51.169478] ---[ end trace 0000000000000000 ]--- [ 51.174970] ------------[ cut here ]------------ [ 51.175665] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.177753] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.179007] Modules linked in: [ 51.179483] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.180838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.182047] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.182803] 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 [ 51.185383] RSP: 0018:ffff88801f4afc00 EFLAGS: 00010282 [ 51.186179] RAX: 0000000000000000 RBX: ffff888015b8ce40 RCX: 0000000000000000 [ 51.187233] RDX: ffff88800cef0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.188282] RBP: ffff888015b8ce54 R08: 0000000000000001 R09: 0000000000000000 [ 51.189332] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.190379] R13: ffffffff84e223a0 R14: ffff888015b8ce48 R15: ffffffff84da62e0 [ 51.191450] FS: 00005555567f3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.192624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.193494] CR2: 00007f6293e1dea0 CR3: 000000001a084000 CR4: 0000000000350ef0 [ 51.194540] Call Trace: [ 51.194973] [ 51.195324] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.196068] ipv6_frags_init_net+0x206/0x3c0 [ 51.196725] ops_init+0xbb/0x6b0 [ 51.197273] setup_net+0x3d9/0x990 [ 51.197806] ? down_read_killable+0x1d7/0x4e0 [ 51.198502] ? __pfx_setup_net+0x10/0x10 [ 51.199138] ? copy_net_ns+0x17c/0x770 [ 51.199737] copy_net_ns+0x321/0x770 [ 51.200335] create_new_namespaces+0x3f6/0xb30 [ 51.201058] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.201783] ksys_unshare+0x44d/0x8e0 [ 51.202398] ? __pfx_ksys_unshare+0x10/0x10 [ 51.203097] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.203976] __x64_sys_unshare+0x31/0x40 [ 51.204586] do_syscall_64+0x3f/0x90 [ 51.205173] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.205957] RIP: 0033:0x7ff33f7c50d7 [ 51.206503] 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 [ 51.209063] RSP: 002b:00007ffd33fad9e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.210179] RAX: ffffffffffffffda RBX: 00007ffd33fae028 RCX: 00007ff33f7c50d7 [ 51.211248] RDX: 00007ff33f82f41f RSI: 00007ffd33fad980 RDI: 0000000040000000 [ 51.212290] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd33fad790 [ 51.213336] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff33f8d7bf0 [ 51.214375] R13: 00007ffd33fadac0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.215453] [ 51.215804] irq event stamp: 9643 [ 51.216331] hardirqs last enabled at (9655): [] __up_console_sem+0x78/0x80 [ 51.217572] hardirqs last disabled at (9666): [] __up_console_sem+0x5d/0x80 [ 51.218817] softirqs last enabled at (9252): [] irq_exit_rcu+0x93/0xc0 [ 51.220040] softirqs last disabled at (9247): [] irq_exit_rcu+0x93/0xc0 [ 51.221259] ---[ end trace 0000000000000000 ]--- [ 51.222775] ------------[ cut here ]------------ [ 51.223518] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.225766] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.227019] Modules linked in: [ 51.227497] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.228849] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.230042] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.230787] 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 [ 51.233344] RSP: 0018:ffff88801f4afbf0 EFLAGS: 00010286 [ 51.234143] RAX: 0000000000000000 RBX: ffff888015b8c240 RCX: 0000000000000000 [ 51.235196] RDX: ffff88800cef0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.236241] RBP: ffff888015b8c254 R08: 0000000000000001 R09: 0000000000000000 [ 51.237183] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.238118] R13: ffffffff84e223a0 R14: ffff888015b8c248 R15: ffffffff84daf020 [ 51.239060] FS: 00005555567f3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.240109] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.240853] CR2: 00007f6293e1dea0 CR3: 000000001a084000 CR4: 0000000000350ef0 [ 51.241792] Call Trace: [ 51.242171] [ 51.242491] nf_ct_net_init+0x224/0x3d0 [ 51.243094] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.243704] ops_init+0xbb/0x6b0 [ 51.244214] setup_net+0x3d9/0x990 [ 51.244732] ? down_read_killable+0x1d7/0x4e0 [ 51.245415] ? __pfx_setup_net+0x10/0x10 [ 51.246011] ? copy_net_ns+0x17c/0x770 [ 51.246585] copy_net_ns+0x321/0x770 [ 51.247161] create_new_namespaces+0x3f6/0xb30 [ 51.247823] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.248509] ksys_unshare+0x44d/0x8e0 [ 51.249038] ? __pfx_ksys_unshare+0x10/0x10 [ 51.249592] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.250347] __x64_sys_unshare+0x31/0x40 [ 51.250920] do_syscall_64+0x3f/0x90 [ 51.251398] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.252073] RIP: 0033:0x7ff33f7c50d7 [ 51.252542] 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 [ 51.254717] RSP: 002b:00007ffd33fad9e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.255665] RAX: ffffffffffffffda RBX: 00007ffd33fae028 RCX: 00007ff33f7c50d7 [ 51.256564] RDX: 00007ff33f82f41f RSI: 00007ffd33fad980 RDI: 0000000040000000 [ 51.257462] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd33fad790 [ 51.258351] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff33f8d7bf0 [ 51.259250] R13: 00007ffd33fadac0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.260181] [ 51.260484] irq event stamp: 10447 [ 51.260957] hardirqs last enabled at (10459): [] __up_console_sem+0x78/0x80 [ 51.262013] hardirqs last disabled at (10470): [] __up_console_sem+0x5d/0x80 [ 51.263129] softirqs last enabled at (10312): [] irq_exit_rcu+0x93/0xc0 [ 51.264157] softirqs last disabled at (10307): [] irq_exit_rcu+0x93/0xc0 [ 51.265184] ---[ end trace 0000000000000000 ]--- executing program [ 52.794589] Bluetooth: hci0: command 0x0409 tx timeout [ 54.843021] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.890030] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.938945] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 05:42:22 Registers: info registers vcpu 0 RAX=0000000000000064 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f4af618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000064 R11=0000000000000001 R12=0000000000000064 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 00005555567f3400 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=00007f6293e1dea0 CR3=000000001a084000 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=0000000000000004 RBX=1ffff11002b95ef3 RCX=ffffffff812cd9ff RDX=dffffc0000000000 RSI=ffff888018532580 RDI=ffff888018531b40 RBP=ffff888018532580 RSP=ffff888015caf760 R8 =0000000000000000 R9 =fffffbfff0ef2d44 R10=ffffffff87796a27 R11=0000000000000001 R12=0000000000000006 R13=dffffc0000000000 R14=ffff888018532530 R15=0000000000000000 RIP=ffffffff812cd950 RFL=00000016 [----AP-] 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 00007f0fb6d31700 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=00007f6293daf370 CR3=000000000e5e4000 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=2033323a32343a35302037312079614d XMM01=5d3537353932312e31352020205b203a XMM02=7379735f74656e5f7265747369676572 XMM03=32312e31352020205b203a6c656e7265 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3530353732312e31352020205b20 XMM07=732033323a32343a3530203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000