syzkaller login: [ 39.728331] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:60189' (ECDSA) to the list of known hosts. 2023/05/17 02:35:13 fuzzer started 2023/05/17 02:35:13 dialing manager at localhost:35573 2023/05/17 02:35:13 checking machine... 2023/05/17 02:35:13 checking revisions... [ 41.397341] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:35:13 testing simple program... [ 41.455844] cgroup: Unknown subsys name 'net' [ 41.542080] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 53.268677] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program [ 53.471728] audit: type=1400 audit(1684290925.649:6): 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 [ 54.619379] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.620951] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.622809] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.625792] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.628329] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.629905] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.025323] ------------[ cut here ]------------ [ 55.026079] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.028386] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.029741] Modules linked in: [ 55.030309] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.032535] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.034610] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.035488] 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 [ 55.038344] RSP: 0018:ffff888020147c00 EFLAGS: 00010282 [ 55.039281] RAX: 0000000000000000 RBX: ffff88800dfb6040 RCX: 0000000000000000 [ 55.040396] RDX: ffff88800ffad1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.041514] RBP: ffff88800dfb6054 R08: 0000000000000001 R09: 0000000000000000 [ 55.042633] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.043778] R13: ffffffff84e223a0 R14: ffff88800dfb6048 R15: ffffffff84d73340 [ 55.044797] FS: 0000555556e55400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.045911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.046736] CR2: 00007fabf3148cd0 CR3: 0000000015f02000 CR4: 0000000000350ef0 [ 55.047752] Call Trace: [ 55.048123] [ 55.048497] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.049220] ipv4_frags_init_net+0x269/0x440 [ 55.049847] ops_init+0xbb/0x6b0 [ 55.050377] setup_net+0x3d9/0x990 [ 55.050911] ? down_read_killable+0x1d7/0x4e0 [ 55.051589] ? __pfx_setup_net+0x10/0x10 [ 55.052196] ? copy_net_ns+0x17c/0x770 [ 55.052763] copy_net_ns+0x321/0x770 [ 55.053338] create_new_namespaces+0x3f6/0xb30 [ 55.053993] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.054719] ksys_unshare+0x44d/0x8e0 [ 55.055330] ? __pfx_ksys_unshare+0x10/0x10 [ 55.055947] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.056778] __x64_sys_unshare+0x31/0x40 [ 55.057392] do_syscall_64+0x3f/0x90 [ 55.057926] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.058701] RIP: 0033:0x7f7dcc31f0d7 [ 55.059287] 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 [ 55.061713] RSP: 002b:00007ffc3fc3b728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.062767] RAX: ffffffffffffffda RBX: 00007ffc3fc3bd68 RCX: 00007f7dcc31f0d7 [ 55.063792] RDX: 00007f7dcc38941f RSI: 00007ffc3fc3b6c0 RDI: 0000000040000000 [ 55.064792] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc3fc3b4d0 [ 55.065787] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7dcc431bf0 [ 55.066780] R13: 00007ffc3fc3b800 R14: 0000000000000000 R15: 00000000000000f8 [ 55.067804] [ 55.068176] irq event stamp: 8287 [ 55.068655] hardirqs last enabled at (8297): [] __up_console_sem+0x78/0x80 [ 55.069837] hardirqs last disabled at (8308): [] __up_console_sem+0x5d/0x80 [ 55.071049] softirqs last enabled at (8168): [] irq_exit_rcu+0x93/0xc0 [ 55.072211] softirqs last disabled at (8163): [] irq_exit_rcu+0x93/0xc0 [ 55.073362] ---[ end trace 0000000000000000 ]--- [ 55.082071] ------------[ cut here ]------------ [ 55.082849] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.084846] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.086098] Modules linked in: [ 55.086630] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.087952] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.089073] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.089807] 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 [ 55.092185] RSP: 0018:ffff888020147c00 EFLAGS: 00010282 [ 55.092890] RAX: 0000000000000000 RBX: ffff88800ebfb640 RCX: 0000000000000000 [ 55.093856] RDX: ffff88800ffad1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.094813] RBP: ffff88800ebfb654 R08: 0000000000000001 R09: 0000000000000000 [ 55.095770] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.096726] R13: ffffffff84e223a0 R14: ffff88800ebfb648 R15: ffffffff84da62e0 [ 55.097714] FS: 0000555556e55400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.098832] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.099675] CR2: 00007fabf3148cd0 CR3: 0000000015f02000 CR4: 0000000000350ef0 [ 55.100669] Call Trace: [ 55.101040] [ 55.101407] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.102098] ipv6_frags_init_net+0x206/0x3c0 [ 55.102751] ops_init+0xbb/0x6b0 [ 55.103305] setup_net+0x3d9/0x990 [ 55.103818] ? down_read_killable+0x1d7/0x4e0 [ 55.104491] ? __pfx_setup_net+0x10/0x10 [ 55.105064] ? copy_net_ns+0x17c/0x770 [ 55.105663] copy_net_ns+0x321/0x770 [ 55.106234] create_new_namespaces+0x3f6/0xb30 [ 55.106907] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.107639] ksys_unshare+0x44d/0x8e0 [ 55.108227] ? __pfx_ksys_unshare+0x10/0x10 [ 55.108841] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.109685] __x64_sys_unshare+0x31/0x40 [ 55.110299] do_syscall_64+0x3f/0x90 [ 55.110836] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.111601] RIP: 0033:0x7f7dcc31f0d7 [ 55.112128] 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 [ 55.114567] RSP: 002b:00007ffc3fc3b728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.115645] RAX: ffffffffffffffda RBX: 00007ffc3fc3bd68 RCX: 00007f7dcc31f0d7 [ 55.116639] RDX: 00007f7dcc38941f RSI: 00007ffc3fc3b6c0 RDI: 0000000040000000 [ 55.117641] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc3fc3b4d0 [ 55.118646] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7dcc431bf0 [ 55.119652] R13: 00007ffc3fc3b800 R14: 0000000000000000 R15: 00000000000000f8 [ 55.120664] [ 55.121008] irq event stamp: 11495 [ 55.121551] hardirqs last enabled at (11513): [] __up_console_sem+0x78/0x80 [ 55.122744] hardirqs last disabled at (11524): [] __up_console_sem+0x5d/0x80 [ 55.123955] softirqs last enabled at (11508): [] irq_exit_rcu+0x93/0xc0 [ 55.125115] softirqs last disabled at (11503): [] irq_exit_rcu+0x93/0xc0 [ 55.126284] ---[ end trace 0000000000000000 ]--- [ 55.127837] ------------[ cut here ]------------ [ 55.128507] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.130668] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.131841] Modules linked in: [ 55.132343] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.133626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.134758] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.135533] 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 [ 55.137929] RSP: 0018:ffff888020147bf0 EFLAGS: 00010286 [ 55.138685] RAX: 0000000000000000 RBX: ffff88800ebfb040 RCX: 0000000000000000 [ 55.139681] RDX: ffff88800ffad1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.140687] RBP: ffff88800ebfb054 R08: 0000000000000001 R09: 0000000000000000 [ 55.141676] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.142665] R13: ffffffff84e223a0 R14: ffff88800ebfb048 R15: ffffffff84daf020 [ 55.143684] FS: 0000555556e55400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.144787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.145623] CR2: 00007fabf3148cd0 CR3: 0000000015f02000 CR4: 0000000000350ef0 [ 55.146621] Call Trace: [ 55.147016] [ 55.147400] nf_ct_net_init+0x224/0x3d0 [ 55.147979] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.148651] ops_init+0xbb/0x6b0 [ 55.149177] setup_net+0x3d9/0x990 [ 55.149697] ? down_read_killable+0x1d7/0x4e0 [ 55.150358] ? __pfx_setup_net+0x10/0x10 [ 55.150938] ? copy_net_ns+0x17c/0x770 [ 55.151539] copy_net_ns+0x321/0x770 [ 55.152070] create_new_namespaces+0x3f6/0xb30 [ 55.152758] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.153473] ksys_unshare+0x44d/0x8e0 [ 55.154021] ? __pfx_ksys_unshare+0x10/0x10 [ 55.154673] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.155506] __x64_sys_unshare+0x31/0x40 [ 55.156079] do_syscall_64+0x3f/0x90 [ 55.156638] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.157388] RIP: 0033:0x7f7dcc31f0d7 [ 55.157903] 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 [ 55.160325] RSP: 002b:00007ffc3fc3b728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.161375] RAX: ffffffffffffffda RBX: 00007ffc3fc3bd68 RCX: 00007f7dcc31f0d7 [ 55.162356] RDX: 00007f7dcc38941f RSI: 00007ffc3fc3b6c0 RDI: 0000000040000000 [ 55.163334] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc3fc3b4d0 [ 55.164334] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7dcc431bf0 [ 55.165312] R13: 00007ffc3fc3b800 R14: 0000000000000000 R15: 00000000000000f8 [ 55.166329] [ 55.166664] irq event stamp: 12323 [ 55.167196] hardirqs last enabled at (12335): [] __up_console_sem+0x78/0x80 [ 55.168382] hardirqs last disabled at (12346): [] __up_console_sem+0x5d/0x80 [ 55.169566] softirqs last enabled at (11508): [] irq_exit_rcu+0x93/0xc0 [ 55.170726] softirqs last disabled at (11503): [] irq_exit_rcu+0x93/0xc0 [ 55.171870] ---[ end trace 0000000000000000 ]--- executing program [ 56.701782] Bluetooth: hci0: command 0x0409 tx timeout [ 58.749216] Bluetooth: hci0: command 0x041b tx timeout executing program [ 60.797237] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.846348] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 02:35:26 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=0000000000000002 RCX=ffffffff81307eb7 RDX=0000000000000002 RSI=0000000000000003 RDI=0000000000000005 RBP=ffff8880201474b0 RSP=ffff888020147348 R8 =0000000000000005 R9 =0000000000000003 R10=0000000000000002 R11=fffffffffffcb4a0 R12=1ffff11004028e6a R13=00000000000002ac R14=00000000000002ac R15=dffffc0000000000 RIP=ffffffff814bf260 RFL=00000293 [--S-A-C] 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 0000555556e55400 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=00007fabf3148cd0 CR3=0000000015f02000 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=0000000080010001 RBX=0000000000000000 RCX=ffffffff815d8fc5 RDX=ffff888008d951c0 RSI=0000000000000000 RDI=ffff88806cf34b20 RBP=ffff88806cf34b20 RSP=ffff88806cf09d58 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffff888008d951c0 R14=0000000000000001 R15=ffff88806cf396d8 RIP=ffffffff815c8a12 RFL=00000046 [---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 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=00007fabf3050370 CR3=000000000e4d8000 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=f26ce6d114b6b6a69648906e9bf8a6b9 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=667774f5a0e069ae000000000013c7e0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=25cb6eeafb68683a00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000