syzkaller login: [ 108.904581] sshd (209) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:35846' (ECDSA) to the list of known hosts. 2023/05/17 11:20:03 fuzzer started 2023/05/17 11:20:04 dialing manager at localhost:44319 2023/05/17 11:20:04 checking machine... 2023/05/17 11:20:04 checking revisions... [ 113.369649] kmemleak: Automatic memory scanning thread ended 2023/05/17 11:20:04 testing simple program... [ 113.434954] cgroup: Unknown subsys name 'net' [ 113.522584] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 125.678598] audit: type=1400 audit(1684322416.747:6): 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 [ 126.780919] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 126.789278] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 126.794252] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 126.797210] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 126.798940] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 126.800411] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 127.200491] ------------[ cut here ]------------ [ 127.201316] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 127.203296] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 127.204605] Modules linked in: [ 127.205157] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 127.209937] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 127.210971] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 127.211664] 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 [ 127.213949] RSP: 0018:ffff88801f88fc00 EFLAGS: 00010282 [ 127.214646] RAX: 0000000000000000 RBX: ffff88800f493c40 RCX: 0000000000000000 [ 127.215570] RDX: ffff8880169e1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 127.216482] RBP: ffff88800f493c54 R08: 0000000000000001 R09: 0000000000000000 [ 127.217409] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 127.218313] R13: ffffffff84e23fe0 R14: ffff88800f493c48 R15: ffffffff84d74dc0 [ 127.219224] FS: 000055555725a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 127.220222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 127.220936] CR2: 00007fd85e7e06f4 CR3: 000000000f278000 CR4: 0000000000350ef0 [ 127.221838] Call Trace: [ 127.222195] [ 127.222496] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 127.223152] ipv4_frags_init_net+0x269/0x440 [ 127.223712] ops_init+0xbb/0x6b0 [ 127.224195] setup_net+0x3d9/0x990 [ 127.224659] ? down_read_killable+0x1d7/0x4e0 [ 127.225276] ? __pfx_setup_net+0x10/0x10 [ 127.225788] ? copy_net_ns+0x17c/0x770 [ 127.226336] copy_net_ns+0x321/0x770 [ 127.226822] create_new_namespaces+0x3f6/0xb30 [ 127.227437] unshare_nsproxy_namespaces+0xc1/0x200 [ 127.228086] ksys_unshare+0x44d/0x8e0 [ 127.228580] ? __pfx_ksys_unshare+0x10/0x10 [ 127.229180] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 127.229893] __x64_sys_unshare+0x31/0x40 [ 127.230450] do_syscall_64+0x3f/0x90 [ 127.230932] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 127.231612] RIP: 0033:0x7f218a3d20d7 [ 127.232111] 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 [ 127.234317] RSP: 002b:00007fff96f38cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 127.235273] RAX: ffffffffffffffda RBX: 00007fff96f39338 RCX: 00007f218a3d20d7 [ 127.236165] RDX: 00007f218a43c41f RSI: 00007fff96f38c90 RDI: 0000000040000000 [ 127.237019] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff96f38aa0 [ 127.237920] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f218a4e4bf0 [ 127.238798] R13: 00007fff96f38dd0 R14: 0000000000000000 R15: 00000000000000f8 [ 127.239705] [ 127.240006] irq event stamp: 9723 [ 127.240457] hardirqs last enabled at (9735): [] __up_console_sem+0x78/0x80 [ 127.241532] hardirqs last disabled at (9746): [] __up_console_sem+0x5d/0x80 [ 127.242600] softirqs last enabled at (9062): [] irq_exit_rcu+0x93/0xc0 [ 127.243650] softirqs last disabled at (9057): [] irq_exit_rcu+0x93/0xc0 [ 127.244693] ---[ end trace 0000000000000000 ]--- [ 127.249827] ------------[ cut here ]------------ [ 127.250448] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 127.252123] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 127.253214] Modules linked in: [ 127.253617] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 127.254771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 127.255798] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 127.256477] 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 [ 127.258650] RSP: 0018:ffff88801f88fc00 EFLAGS: 00010282 [ 127.259334] RAX: 0000000000000000 RBX: ffff88800d4dcc40 RCX: 0000000000000000 [ 127.260232] RDX: ffff8880169e1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 127.261133] RBP: ffff88800d4dcc54 R08: 0000000000000001 R09: 0000000000000000 [ 127.261990] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 127.262878] R13: ffffffff84e23fe0 R14: ffff88800d4dcc48 R15: ffffffff84da7d60 [ 127.263759] FS: 000055555725a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 127.264771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 127.265543] CR2: 00007fd85e7e06f4 CR3: 000000000f278000 CR4: 0000000000350ef0 [ 127.266448] Call Trace: [ 127.266776] [ 127.267106] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 127.267729] ipv6_frags_init_net+0x206/0x3c0 [ 127.268339] ops_init+0xbb/0x6b0 [ 127.268784] setup_net+0x3d9/0x990 [ 127.269283] ? down_read_killable+0x1d7/0x4e0 [ 127.269854] ? __pfx_setup_net+0x10/0x10 [ 127.270392] ? copy_net_ns+0x17c/0x770 [ 127.270901] copy_net_ns+0x321/0x770 [ 127.271413] create_new_namespaces+0x3f6/0xb30 [ 127.272000] unshare_nsproxy_namespaces+0xc1/0x200 [ 127.272642] ksys_unshare+0x44d/0x8e0 [ 127.273184] ? __pfx_ksys_unshare+0x10/0x10 [ 127.273733] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 127.274476] __x64_sys_unshare+0x31/0x40 [ 127.274993] do_syscall_64+0x3f/0x90 [ 127.275502] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 127.276178] RIP: 0033:0x7f218a3d20d7 [ 127.276649] 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 [ 127.278819] RSP: 002b:00007fff96f38cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 127.279764] RAX: ffffffffffffffda RBX: 00007fff96f39338 RCX: 00007f218a3d20d7 [ 127.280663] RDX: 00007f218a43c41f RSI: 00007fff96f38c90 RDI: 0000000040000000 [ 127.281562] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff96f38aa0 [ 127.282461] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f218a4e4bf0 [ 127.283343] R13: 00007fff96f38dd0 R14: 0000000000000000 R15: 00000000000000f8 [ 127.284263] [ 127.284565] irq event stamp: 11431 [ 127.284999] hardirqs last enabled at (11441): [] __up_console_sem+0x78/0x80 [ 127.286104] hardirqs last disabled at (11454): [] __up_console_sem+0x5d/0x80 [ 127.287174] softirqs last enabled at (11116): [] irq_exit_rcu+0x93/0xc0 [ 127.288206] softirqs last disabled at (11107): [] irq_exit_rcu+0x93/0xc0 [ 127.289239] ---[ end trace 0000000000000000 ]--- [ 127.290570] ------------[ cut here ]------------ [ 127.291240] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 127.293172] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 127.294238] Modules linked in: [ 127.294646] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 127.295792] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 127.296809] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 127.297495] 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 [ 127.299652] RSP: 0018:ffff88801f88fbf0 EFLAGS: 00010286 [ 127.300345] RAX: 0000000000000000 RBX: ffff88800d4dd840 RCX: 0000000000000000 [ 127.301240] RDX: ffff8880169e1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 127.302162] RBP: ffff88800d4dd854 R08: 0000000000000001 R09: 0000000000000000 [ 127.303019] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 127.303908] R13: ffffffff84e23fe0 R14: ffff88800d4dd848 R15: ffffffff84db0aa0 [ 127.304787] FS: 000055555725a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 127.305805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 127.306552] CR2: 00007fd85e7e06f4 CR3: 000000000f278000 CR4: 0000000000350ef0 [ 127.307441] Call Trace: [ 127.307769] [ 127.308102] nf_ct_net_init+0x224/0x3d0 [ 127.308621] ? __pfx_nf_ct_net_init+0x10/0x10 [ 127.309240] ops_init+0xbb/0x6b0 [ 127.309691] setup_net+0x3d9/0x990 [ 127.310180] ? down_read_killable+0x1d7/0x4e0 [ 127.310759] ? __pfx_setup_net+0x10/0x10 [ 127.311305] ? copy_net_ns+0x17c/0x770 [ 127.311816] copy_net_ns+0x321/0x770 [ 127.312335] create_new_namespaces+0x3f6/0xb30 [ 127.312920] unshare_nsproxy_namespaces+0xc1/0x200 [ 127.313586] ksys_unshare+0x44d/0x8e0 [ 127.314110] ? __pfx_ksys_unshare+0x10/0x10 [ 127.314655] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 127.315394] __x64_sys_unshare+0x31/0x40 [ 127.315911] do_syscall_64+0x3f/0x90 [ 127.316418] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 127.317100] RIP: 0033:0x7f218a3d20d7 [ 127.317571] 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 [ 127.319772] RSP: 002b:00007fff96f38cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 127.320734] RAX: ffffffffffffffda RBX: 00007fff96f39338 RCX: 00007f218a3d20d7 [ 127.321638] RDX: 00007f218a43c41f RSI: 00007fff96f38c90 RDI: 0000000040000000 [ 127.322579] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff96f38aa0 [ 127.323467] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f218a4e4bf0 [ 127.324349] R13: 00007fff96f38dd0 R14: 0000000000000000 R15: 00000000000000f8 [ 127.325275] [ 127.325574] irq event stamp: 12227 [ 127.326008] hardirqs last enabled at (12237): [] __up_console_sem+0x78/0x80 [ 127.327094] hardirqs last disabled at (12250): [] __up_console_sem+0x5d/0x80 [ 127.328153] softirqs last enabled at (12176): [] irq_exit_rcu+0x93/0xc0 [ 127.329191] softirqs last disabled at (12171): [] irq_exit_rcu+0x93/0xc0 [ 127.330226] ---[ end trace 0000000000000000 ]--- executing program [ 128.858668] Bluetooth: hci0: command 0x0409 tx timeout [ 130.908438] Bluetooth: hci0: command 0x041b tx timeout executing program [ 132.955133] Bluetooth: hci0: command 0x040f tx timeout executing program [ 135.002139] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 11:19:08 Registers: info registers vcpu 0 RAX=000000000000006f RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f88f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006f R11=0000000000000001 R12=000000000000006f 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 000055555725a400 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=00007fd85e7e06f4 CR3=000000000f278000 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=00000000000bf9a3 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=00007fe309339c30 CR3=000000000ebd6000 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=554f23d926c15f8f9c455a7ed9f5e1b6 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=0ea24983916380e60000000000142608 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=1a826814e92c5a7600000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000