syzkaller login: [ 36.833119] sshd (226) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:27196' (ECDSA) to the list of known hosts. 2023/05/17 04:12:11 fuzzer started 2023/05/17 04:12:11 dialing manager at localhost:35573 2023/05/17 04:12:11 checking machine... 2023/05/17 04:12:11 checking revisions... [ 38.041097] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:12:11 testing simple program... [ 38.107925] cgroup: Unknown subsys name 'net' [ 38.180013] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 49.695892] audit: type=1400 audit(1684296743.519:6): 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 executing program [ 50.795418] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.797067] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.798791] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.802942] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.805903] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.808618] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.207819] ------------[ cut here ]------------ [ 51.208630] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.210669] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.212064] Modules linked in: [ 51.212645] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.217261] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.218356] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.219037] 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 [ 51.221390] RSP: 0018:ffff888013fb7c00 EFLAGS: 00010282 [ 51.222085] RAX: 0000000000000000 RBX: ffff88800e416040 RCX: 0000000000000000 [ 51.223039] RDX: ffff8880167c1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.223986] RBP: ffff88800e416054 R08: 0000000000000001 R09: 0000000000000000 [ 51.224951] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.225911] R13: ffffffff84e223a0 R14: ffff88800e416048 R15: ffffffff84d73340 [ 51.226857] FS: 0000555555f76400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.227934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.228754] CR2: 00007f2c96f9aa98 CR3: 00000000101b8000 CR4: 0000000000350ef0 [ 51.229717] Call Trace: [ 51.230069] [ 51.230421] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.231073] ipv4_frags_init_net+0x269/0x440 [ 51.231701] ops_init+0xbb/0x6b0 [ 51.232168] setup_net+0x3d9/0x990 [ 51.232713] ? down_read_killable+0x1d7/0x4e0 [ 51.233355] ? __pfx_setup_net+0x10/0x10 [ 51.233899] ? copy_net_ns+0x17c/0x770 [ 51.234474] copy_net_ns+0x321/0x770 [ 51.234994] create_new_namespaces+0x3f6/0xb30 [ 51.235652] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.236346] ksys_unshare+0x44d/0x8e0 [ 51.236878] ? __pfx_ksys_unshare+0x10/0x10 [ 51.237494] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.238290] __x64_sys_unshare+0x31/0x40 [ 51.238841] do_syscall_64+0x3f/0x90 [ 51.239384] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.240060] RIP: 0033:0x7f0602f6e0d7 [ 51.240615] 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 [ 51.242872] RSP: 002b:00007ffc266f9c78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.243868] RAX: ffffffffffffffda RBX: 00007ffc266fa2b8 RCX: 00007f0602f6e0d7 [ 51.244809] RDX: 00007f0602fd841f RSI: 00007ffc266f9c10 RDI: 0000000040000000 [ 51.245861] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc266f9a20 [ 51.246839] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0603080bf0 [ 51.247797] R13: 00007ffc266f9d50 R14: 0000000000000000 R15: 00000000000000f8 [ 51.248812] [ 51.249126] irq event stamp: 7795 [ 51.249608] hardirqs last enabled at (7807): [] __up_console_sem+0x78/0x80 [ 51.250738] hardirqs last disabled at (7818): [] __up_console_sem+0x5d/0x80 [ 51.251870] softirqs last enabled at (7720): [] irq_exit_rcu+0x93/0xc0 [ 51.252967] softirqs last disabled at (7715): [] irq_exit_rcu+0x93/0xc0 [ 51.254063] ---[ end trace 0000000000000000 ]--- [ 51.259735] ------------[ cut here ]------------ [ 51.260416] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.262126] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.263269] Modules linked in: [ 51.263697] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.264924] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.265996] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.266709] 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 [ 51.269017] RSP: 0018:ffff888013fb7c00 EFLAGS: 00010282 [ 51.269741] RAX: 0000000000000000 RBX: ffff88800d70ac40 RCX: 0000000000000000 [ 51.270679] RDX: ffff8880167c1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.271624] RBP: ffff88800d70ac54 R08: 0000000000000001 R09: 0000000000000000 [ 51.272576] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.273513] R13: ffffffff84e223a0 R14: ffff88800d70ac48 R15: ffffffff84da62e0 [ 51.274443] FS: 0000555555f76400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.275494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.276267] CR2: 00007f2c96f9aa98 CR3: 00000000101b8000 CR4: 0000000000350ef0 [ 51.277194] Call Trace: [ 51.277576] [ 51.277888] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.278582] ipv6_frags_init_net+0x206/0x3c0 [ 51.279169] ops_init+0xbb/0x6b0 [ 51.279672] setup_net+0x3d9/0x990 [ 51.280147] ? down_read_killable+0x1d7/0x4e0 [ 51.280791] ? __pfx_setup_net+0x10/0x10 [ 51.281355] ? copy_net_ns+0x17c/0x770 [ 51.281889] copy_net_ns+0x321/0x770 [ 51.282431] create_new_namespaces+0x3f6/0xb30 [ 51.283050] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.283740] ksys_unshare+0x44d/0x8e0 [ 51.284291] ? __pfx_ksys_unshare+0x10/0x10 [ 51.284906] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.285692] __x64_sys_unshare+0x31/0x40 [ 51.286273] do_syscall_64+0x3f/0x90 [ 51.286769] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.287479] RIP: 0033:0x7f0602f6e0d7 [ 51.287968] 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 [ 51.290275] RSP: 002b:00007ffc266f9c78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.291278] RAX: ffffffffffffffda RBX: 00007ffc266fa2b8 RCX: 00007f0602f6e0d7 [ 51.292190] RDX: 00007f0602fd841f RSI: 00007ffc266f9c10 RDI: 0000000040000000 [ 51.293148] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc266f9a20 [ 51.294089] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0603080bf0 [ 51.295021] R13: 00007ffc266f9d50 R14: 0000000000000000 R15: 00000000000000f8 [ 51.295988] [ 51.296339] irq event stamp: 9563 [ 51.296799] hardirqs last enabled at (9573): [] __up_console_sem+0x78/0x80 [ 51.297919] hardirqs last disabled at (9584): [] __up_console_sem+0x5d/0x80 [ 51.299048] softirqs last enabled at (9280): [] irq_exit_rcu+0x93/0xc0 [ 51.300136] softirqs last disabled at (9267): [] irq_exit_rcu+0x93/0xc0 [ 51.301255] ---[ end trace 0000000000000000 ]--- [ 51.302617] ------------[ cut here ]------------ [ 51.303219] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.305323] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.306430] Modules linked in: [ 51.306861] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.308075] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.309149] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.309863] 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 [ 51.312148] RSP: 0018:ffff888013fb7bf0 EFLAGS: 00010286 [ 51.312886] RAX: 0000000000000000 RBX: ffff88800d70a640 RCX: 0000000000000000 [ 51.313827] RDX: ffff8880167c1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.314777] RBP: ffff88800d70a654 R08: 0000000000000001 R09: 0000000000000000 [ 51.315722] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.316695] R13: ffffffff84e223a0 R14: ffff88800d70a648 R15: ffffffff84daf020 [ 51.317632] FS: 0000555555f76400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.318687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.319475] CR2: 00007f2c96f9aa98 CR3: 00000000101b8000 CR4: 0000000000350ef0 [ 51.320425] Call Trace: [ 51.320777] [ 51.321095] nf_ct_net_init+0x224/0x3d0 [ 51.321691] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.322325] ops_init+0xbb/0x6b0 [ 51.322789] setup_net+0x3d9/0x990 [ 51.323298] ? down_read_killable+0x1d7/0x4e0 [ 51.323894] ? __pfx_setup_net+0x10/0x10 [ 51.324492] ? copy_net_ns+0x17c/0x770 [ 51.325022] copy_net_ns+0x321/0x770 [ 51.325562] create_new_namespaces+0x3f6/0xb30 [ 51.326184] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.326869] ksys_unshare+0x44d/0x8e0 [ 51.327428] ? __pfx_ksys_unshare+0x10/0x10 [ 51.328004] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.328825] __x64_sys_unshare+0x31/0x40 [ 51.329404] do_syscall_64+0x3f/0x90 [ 51.329902] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.330622] RIP: 0033:0x7f0602f6e0d7 [ 51.331118] 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 [ 51.333418] RSP: 002b:00007ffc266f9c78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.334419] RAX: ffffffffffffffda RBX: 00007ffc266fa2b8 RCX: 00007f0602f6e0d7 [ 51.335358] RDX: 00007f0602fd841f RSI: 00007ffc266f9c10 RDI: 0000000040000000 [ 51.336299] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc266f9a20 [ 51.337220] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0603080bf0 [ 51.338173] R13: 00007ffc266f9d50 R14: 0000000000000000 R15: 00000000000000f8 [ 51.339140] [ 51.339493] irq event stamp: 10309 [ 51.339954] hardirqs last enabled at (10319): [] __up_console_sem+0x78/0x80 [ 51.341089] hardirqs last disabled at (10330): [] __up_console_sem+0x5d/0x80 [ 51.342218] softirqs last enabled at (9816): [] irq_exit_rcu+0x93/0xc0 [ 51.343337] softirqs last disabled at (9811): [] irq_exit_rcu+0x93/0xc0 [ 51.344454] ---[ end trace 0000000000000000 ]--- [ 52.878846] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.927046] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.974341] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.023026] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 04:12:23 Registers: info registers vcpu 0 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888013fb75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555555f76400 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=00007f2c96f9aa98 CR3=00000000101b8000 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=000000000002e3e1 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007f2c96f84780 CR3=000000000d10a000 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=2035323a32313a34302037312079614d XMM01=5d3534363231322e31352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d35 XMM07=6e72656b2072656c6c616b7a79732035 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000