syzkaller login: [ 36.959199] sshd (220) used greatest stack depth: 24032 bytes left Warning: Permanently added '[localhost]:25457' (ECDSA) to the list of known hosts. 2023/05/18 01:17:36 fuzzer started 2023/05/18 01:17:36 dialing manager at localhost:44319 2023/05/18 01:17:36 checking machine... 2023/05/18 01:17:36 checking revisions... [ 39.119461] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:17:37 testing simple program... [ 39.205049] cgroup: Unknown subsys name 'net' [ 39.282669] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.693475] audit: type=1400 audit(1684372669.590:6): avc: denied { execmem } for pid=260 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.829095] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.832171] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.835028] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.840901] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.843047] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.844400] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.253981] ------------[ cut here ]------------ [ 53.254701] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.256637] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.257745] Modules linked in: [ 53.258145] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.262619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.263660] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.264380] 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 [ 53.266655] RSP: 0018:ffff88801f467c00 EFLAGS: 00010282 [ 53.267319] RAX: 0000000000000000 RBX: ffff88800f0dcc40 RCX: 0000000000000000 [ 53.268248] RDX: ffff88800fdc9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.269166] RBP: ffff88800f0dcc54 R08: 0000000000000001 R09: 0000000000000000 [ 53.270075] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.270986] R13: ffffffff84e23fe0 R14: ffff88800f0dcc48 R15: ffffffff84d74dc0 [ 53.271936] FS: 0000555555ca4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.272970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.273747] CR2: 00007fe4598476f4 CR3: 0000000020284000 CR4: 0000000000350ef0 [ 53.274658] Call Trace: [ 53.274985] [ 53.275290] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.275965] ipv4_frags_init_net+0x269/0x440 [ 53.276567] ops_init+0xbb/0x6b0 [ 53.277021] setup_net+0x3d9/0x990 [ 53.277512] ? down_read_killable+0x1d7/0x4e0 [ 53.278104] ? __pfx_setup_net+0x10/0x10 [ 53.278661] ? copy_net_ns+0x17c/0x770 [ 53.279187] copy_net_ns+0x321/0x770 [ 53.279712] create_new_namespaces+0x3f6/0xb30 [ 53.280333] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.280988] ksys_unshare+0x44d/0x8e0 [ 53.281514] ? __pfx_ksys_unshare+0x10/0x10 [ 53.282080] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.282838] __x64_sys_unshare+0x31/0x40 [ 53.283359] do_syscall_64+0x3f/0x90 [ 53.283894] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.284585] RIP: 0033:0x7fbbf51b10d7 [ 53.285058] 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 [ 53.287272] RSP: 002b:00007fffdd660a68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.288269] RAX: ffffffffffffffda RBX: 00007fffdd6610a8 RCX: 00007fbbf51b10d7 [ 53.289181] RDX: 00007fbbf521b41f RSI: 00007fffdd660a00 RDI: 0000000040000000 [ 53.290093] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdd660810 [ 53.291016] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fbbf52c3bf0 [ 53.291938] R13: 00007fffdd660b40 R14: 0000000000000000 R15: 00000000000000f8 [ 53.292874] [ 53.293185] irq event stamp: 8865 [ 53.293651] hardirqs last enabled at (8877): [] __up_console_sem+0x78/0x80 [ 53.294743] hardirqs last disabled at (8888): [] __up_console_sem+0x5d/0x80 [ 53.295830] softirqs last enabled at (8292): [] irq_exit_rcu+0x93/0xc0 [ 53.296876] softirqs last disabled at (8107): [] irq_exit_rcu+0x93/0xc0 [ 53.297925] ---[ end trace 0000000000000000 ]--- [ 53.303539] ------------[ cut here ]------------ [ 53.304161] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.305945] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.307043] Modules linked in: [ 53.307490] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.308676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.309723] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.310398] 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 [ 53.312688] RSP: 0018:ffff88801f467c00 EFLAGS: 00010282 [ 53.313357] RAX: 0000000000000000 RBX: ffff88800df3fe40 RCX: 0000000000000000 [ 53.314275] RDX: ffff88800fdc9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.315171] RBP: ffff88800df3fe54 R08: 0000000000000001 R09: 0000000000000000 [ 53.316096] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.317002] R13: ffffffff84e23fe0 R14: ffff88800df3fe48 R15: ffffffff84da7d60 [ 53.317914] FS: 0000555555ca4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.318945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.319710] CR2: 00007fe4598476f4 CR3: 0000000020284000 CR4: 0000000000350ef0 [ 53.320649] Call Trace: [ 53.320991] [ 53.321292] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.321959] ipv6_frags_init_net+0x206/0x3c0 [ 53.322564] ops_init+0xbb/0x6b0 [ 53.323025] setup_net+0x3d9/0x990 [ 53.323522] ? down_read_killable+0x1d7/0x4e0 [ 53.324126] ? __pfx_setup_net+0x10/0x10 [ 53.324678] ? copy_net_ns+0x17c/0x770 [ 53.325207] copy_net_ns+0x321/0x770 [ 53.325733] create_new_namespaces+0x3f6/0xb30 [ 53.326340] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.327008] ksys_unshare+0x44d/0x8e0 [ 53.327543] ? __pfx_ksys_unshare+0x10/0x10 [ 53.328124] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.328881] __x64_sys_unshare+0x31/0x40 [ 53.329438] do_syscall_64+0x3f/0x90 [ 53.329936] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.330626] RIP: 0033:0x7fbbf51b10d7 [ 53.331100] 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 [ 53.333345] RSP: 002b:00007fffdd660a68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.334302] RAX: ffffffffffffffda RBX: 00007fffdd6610a8 RCX: 00007fbbf51b10d7 [ 53.335223] RDX: 00007fbbf521b41f RSI: 00007fffdd660a00 RDI: 0000000040000000 [ 53.336138] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdd660810 [ 53.337049] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fbbf52c3bf0 [ 53.337966] R13: 00007fffdd660b40 R14: 0000000000000000 R15: 00000000000000f8 [ 53.338911] [ 53.339217] irq event stamp: 10531 [ 53.339688] hardirqs last enabled at (10543): [] __up_console_sem+0x78/0x80 [ 53.340795] hardirqs last disabled at (10554): [] __up_console_sem+0x5d/0x80 [ 53.341898] softirqs last enabled at (9760): [] irq_exit_rcu+0x93/0xc0 [ 53.342979] softirqs last disabled at (9715): [] irq_exit_rcu+0x93/0xc0 [ 53.344244] ---[ end trace 0000000000000000 ]--- [ 53.345843] ------------[ cut here ]------------ [ 53.346549] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.348573] WARNING: CPU: 0 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.349809] Modules linked in: [ 53.350305] CPU: 0 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.351732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.352992] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.353825] 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 [ 53.356470] RSP: 0018:ffff88801f467bf0 EFLAGS: 00010286 [ 53.357255] RAX: 0000000000000000 RBX: ffff88800df3e440 RCX: 0000000000000000 [ 53.358383] RDX: ffff88800fdc9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.359462] RBP: ffff88800df3e454 R08: 0000000000000001 R09: 0000000000000000 [ 53.360448] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.361318] R13: ffffffff84e23fe0 R14: ffff88800df3e448 R15: ffffffff84db0aa0 [ 53.362213] FS: 0000555555ca4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.363223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.363992] CR2: 00007fe4598476f4 CR3: 0000000020284000 CR4: 0000000000350ef0 [ 53.364878] Call Trace: [ 53.365202] [ 53.365548] nf_ct_net_init+0x224/0x3d0 [ 53.366070] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.366671] ops_init+0xbb/0x6b0 [ 53.367125] setup_net+0x3d9/0x990 [ 53.367615] ? down_read_killable+0x1d7/0x4e0 [ 53.368194] ? __pfx_setup_net+0x10/0x10 [ 53.368733] ? copy_net_ns+0x17c/0x770 [ 53.369241] copy_net_ns+0x321/0x770 [ 53.369752] create_new_namespaces+0x3f6/0xb30 [ 53.370350] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.370993] ksys_unshare+0x44d/0x8e0 [ 53.371519] ? __pfx_ksys_unshare+0x10/0x10 [ 53.372084] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.372823] __x64_sys_unshare+0x31/0x40 [ 53.373340] do_syscall_64+0x3f/0x90 [ 53.373845] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.374516] RIP: 0033:0x7fbbf51b10d7 [ 53.374976] 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 [ 53.377179] RSP: 002b:00007fffdd660a68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.378141] RAX: ffffffffffffffda RBX: 00007fffdd6610a8 RCX: 00007fbbf51b10d7 [ 53.379028] RDX: 00007fbbf521b41f RSI: 00007fffdd660a00 RDI: 0000000040000000 [ 53.379923] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdd660810 [ 53.380813] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fbbf52c3bf0 [ 53.381699] R13: 00007fffdd660b40 R14: 0000000000000000 R15: 00000000000000f8 [ 53.382611] [ 53.382913] irq event stamp: 11307 [ 53.383348] hardirqs last enabled at (11317): [] __up_console_sem+0x78/0x80 [ 53.384437] hardirqs last disabled at (11328): [] __up_console_sem+0x5d/0x80 [ 53.385517] softirqs last enabled at (11014): [] irq_exit_rcu+0x93/0xc0 [ 53.386556] softirqs last disabled at (11009): [] irq_exit_rcu+0x93/0xc0 [ 53.387606] ---[ end trace 0000000000000000 ]--- executing program [ 54.910316] Bluetooth: hci0: command 0x0409 tx timeout [ 56.957507] Bluetooth: hci0: command 0x041b tx timeout executing program [ 59.005507] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.053494] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:17:47 Registers: info registers vcpu 0 RAX=0000000000000063 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f4675f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000063 R11=0000000000000001 R12=0000000000000063 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 0000555555ca4400 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=00007fe4598476f4 CR3=0000000020284000 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=000000000002c6d7 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=00007f85fd8e2098 CR3=000000000cebe000 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=2031353a37313a31302038312079614d XMM01=5d3733363635322e33352020205b203a XMM02=74656e20746120313632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120313632203a4449 XMM06=57205d3733363635322e33352020205b XMM07=79732031353a37313a31302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000