syzkaller login: [ 36.558307] sshd (217) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:29938' (ECDSA) to the list of known hosts. 2023/05/17 00:19:48 fuzzer started 2023/05/17 00:19:48 dialing manager at localhost:35573 2023/05/17 00:19:48 checking machine... 2023/05/17 00:19:48 checking revisions... [ 38.813622] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:19:49 testing simple program... [ 38.886889] cgroup: Unknown subsys name 'net' [ 38.981820] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.691276] audit: type=1400 audit(1684282800.878:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.816642] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.819048] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.820979] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.823598] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.826008] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.827201] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.185534] ------------[ cut here ]------------ [ 52.187079] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.189217] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.190362] Modules linked in: [ 52.190963] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.195813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.197181] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.198142] 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 [ 52.200880] RSP: 0018:ffff88801f697c00 EFLAGS: 00010282 [ 52.201572] RAX: 0000000000000000 RBX: ffff88800caba440 RCX: 0000000000000000 [ 52.202630] RDX: ffff88800fb40000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.203738] RBP: ffff88800caba454 R08: 0000000000000001 R09: 0000000000000000 [ 52.204756] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.205753] R13: ffffffff84e223a0 R14: ffff88800caba448 R15: ffffffff84d73340 [ 52.206682] FS: 0000555557549400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.207761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.208545] CR2: 00007f02ffb186f4 CR3: 000000000da66000 CR4: 0000000000350ee0 [ 52.209576] Call Trace: [ 52.210005] [ 52.210357] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.211131] ipv4_frags_init_net+0x269/0x440 [ 52.211786] ops_init+0xbb/0x6b0 [ 52.212341] setup_net+0x3d9/0x990 [ 52.212886] ? down_read_killable+0x1d7/0x4e0 [ 52.213516] ? __pfx_setup_net+0x10/0x10 [ 52.214124] ? copy_net_ns+0x17c/0x770 [ 52.214700] copy_net_ns+0x321/0x770 [ 52.215276] create_new_namespaces+0x3f6/0xb30 [ 52.215991] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.216682] ksys_unshare+0x44d/0x8e0 [ 52.217280] ? __pfx_ksys_unshare+0x10/0x10 [ 52.217923] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.218727] __x64_sys_unshare+0x31/0x40 [ 52.219360] do_syscall_64+0x3f/0x90 [ 52.219951] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.220674] RIP: 0033:0x7f7afd59c0d7 [ 52.221246] 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 [ 52.223698] RSP: 002b:00007fffa03ac1b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.224885] RAX: ffffffffffffffda RBX: 00007fffa03ac7f8 RCX: 00007f7afd59c0d7 [ 52.225888] RDX: 00007f7afd60641f RSI: 00007fffa03ac150 RDI: 0000000040000000 [ 52.226893] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffa03abf60 [ 52.227912] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7afd6aebf0 [ 52.228912] R13: 00007fffa03ac290 R14: 0000000000000000 R15: 00000000000000f8 [ 52.229943] [ 52.230282] irq event stamp: 10403 [ 52.230772] hardirqs last enabled at (10413): [] __up_console_sem+0x78/0x80 [ 52.232006] hardirqs last disabled at (10424): [] __up_console_sem+0x5d/0x80 [ 52.233215] softirqs last enabled at (10058): [] irq_exit_rcu+0x93/0xc0 [ 52.234388] softirqs last disabled at (10049): [] irq_exit_rcu+0x93/0xc0 [ 52.235579] ---[ end trace 0000000000000000 ]--- [ 52.241395] ------------[ cut here ]------------ [ 52.242346] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.244337] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.245511] Modules linked in: [ 52.246006] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.247300] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.248452] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.249217] 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 [ 52.251687] RSP: 0018:ffff88801f697c00 EFLAGS: 00010282 [ 52.252472] RAX: 0000000000000000 RBX: ffff88800d707240 RCX: 0000000000000000 [ 52.253498] RDX: ffff88800fb40000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.254503] RBP: ffff88800d707254 R08: 0000000000000001 R09: 0000000000000000 [ 52.255525] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.256534] R13: ffffffff84e223a0 R14: ffff88800d707248 R15: ffffffff84da62e0 [ 52.257546] FS: 0000555557549400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.258671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.259536] CR2: 00007f02ffb186f4 CR3: 000000000da66000 CR4: 0000000000350ee0 [ 52.260557] Call Trace: [ 52.260974] [ 52.261327] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.262059] ipv6_frags_init_net+0x206/0x3c0 [ 52.262691] ops_init+0xbb/0x6b0 [ 52.263242] setup_net+0x3d9/0x990 [ 52.263761] ? down_read_killable+0x1d7/0x4e0 [ 52.264441] ? __pfx_setup_net+0x10/0x10 [ 52.265052] ? copy_net_ns+0x17c/0x770 [ 52.265626] copy_net_ns+0x321/0x770 [ 52.266219] create_new_namespaces+0x3f6/0xb30 [ 52.266924] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.267650] ksys_unshare+0x44d/0x8e0 [ 52.268258] ? __pfx_ksys_unshare+0x10/0x10 [ 52.268913] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.269722] __x64_sys_unshare+0x31/0x40 [ 52.270355] do_syscall_64+0x3f/0x90 [ 52.270925] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.271671] RIP: 0033:0x7f7afd59c0d7 [ 52.272243] 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 [ 52.274686] RSP: 002b:00007fffa03ac1b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.275771] RAX: ffffffffffffffda RBX: 00007fffa03ac7f8 RCX: 00007f7afd59c0d7 [ 52.276784] RDX: 00007f7afd60641f RSI: 00007fffa03ac150 RDI: 0000000040000000 [ 52.277803] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffa03abf60 [ 52.278787] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7afd6aebf0 [ 52.279820] R13: 00007fffa03ac290 R14: 0000000000000000 R15: 00000000000000f8 [ 52.280880] [ 52.281221] irq event stamp: 12317 [ 52.281708] hardirqs last enabled at (12327): [] __up_console_sem+0x78/0x80 [ 52.282925] hardirqs last disabled at (12338): [] __up_console_sem+0x5d/0x80 [ 52.284142] softirqs last enabled at (11790): [] irq_exit_rcu+0x93/0xc0 [ 52.285324] softirqs last disabled at (11687): [] irq_exit_rcu+0x93/0xc0 [ 52.286509] ---[ end trace 0000000000000000 ]--- [ 52.288084] ------------[ cut here ]------------ [ 52.288745] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.291062] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.292275] Modules linked in: [ 52.292734] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.293922] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.294921] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.295580] 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 [ 52.297730] RSP: 0018:ffff88801f697bf0 EFLAGS: 00010286 [ 52.298414] RAX: 0000000000000000 RBX: ffff88800f9e1440 RCX: 0000000000000000 [ 52.299295] RDX: ffff88800fb40000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.300202] RBP: ffff88800f9e1454 R08: 0000000000000001 R09: 0000000000000000 [ 52.301099] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.301984] R13: ffffffff84e223a0 R14: ffff88800f9e1448 R15: ffffffff84daf020 [ 52.302870] FS: 0000555557549400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.303890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.304673] CR2: 00007f02ffb186f4 CR3: 000000000da66000 CR4: 0000000000350ee0 [ 52.305673] Call Trace: [ 52.306084] [ 52.306425] nf_ct_net_init+0x224/0x3d0 [ 52.307054] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.307727] ops_init+0xbb/0x6b0 [ 52.308274] setup_net+0x3d9/0x990 [ 52.308789] ? down_read_killable+0x1d7/0x4e0 [ 52.309460] ? __pfx_setup_net+0x10/0x10 [ 52.310077] ? copy_net_ns+0x17c/0x770 [ 52.310650] copy_net_ns+0x321/0x770 [ 52.311247] create_new_namespaces+0x3f6/0xb30 [ 52.311954] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.312652] ksys_unshare+0x44d/0x8e0 [ 52.313258] ? __pfx_ksys_unshare+0x10/0x10 [ 52.313910] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.314720] __x64_sys_unshare+0x31/0x40 [ 52.315354] do_syscall_64+0x3f/0x90 [ 52.315949] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.316676] RIP: 0033:0x7f7afd59c0d7 [ 52.317249] 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 [ 52.319689] RSP: 002b:00007fffa03ac1b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.320764] RAX: ffffffffffffffda RBX: 00007fffa03ac7f8 RCX: 00007f7afd59c0d7 [ 52.321766] RDX: 00007f7afd60641f RSI: 00007fffa03ac150 RDI: 0000000040000000 [ 52.322761] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffa03abf60 [ 52.323778] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7afd6aebf0 [ 52.324788] R13: 00007fffa03ac290 R14: 0000000000000000 R15: 00000000000000f8 [ 52.325809] [ 52.326191] irq event stamp: 13173 [ 52.326682] hardirqs last enabled at (13183): [] __up_console_sem+0x78/0x80 [ 52.327892] hardirqs last disabled at (13194): [] __up_console_sem+0x5d/0x80 [ 52.329096] softirqs last enabled at (12964): [] irq_exit_rcu+0x93/0xc0 [ 52.330268] softirqs last disabled at (12955): [] irq_exit_rcu+0x93/0xc0 [ 52.331432] ---[ end trace 0000000000000000 ]--- executing program [ 53.839561] Bluetooth: hci0: command 0x0409 tx timeout [ 55.888493] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.934930] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.982912] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 00:20:00 Registers: info registers vcpu 0 RAX=000000000002ad4d RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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 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=00007f3ba633a070 CR3=000000000ecd8000 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=6a82b1712f5811b3a84ed7e7742c3496 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=62fda63d61627299000000000013c590 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=2c4e4fe7605c5c3700000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000061 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f6975f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000061 R11=0000000000000001 R12=0000000000000061 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 0000555557549400 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=00007f02ffb186f4 CR3=000000000da66000 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