syzkaller login: [ 31.387774] sshd (211) used greatest stack depth: 24112 bytes left Warning: Permanently added '[localhost]:29571' (ECDSA) to the list of known hosts. 2023/05/18 03:27:52 fuzzer started 2023/05/18 03:27:52 dialing manager at localhost:44319 2023/05/18 03:27:52 checking machine... 2023/05/18 03:27:52 checking revisions... [ 37.124791] kmemleak: Automatic memory scanning thread ended 2023/05/18 03:27:52 testing simple program... [ 37.190763] cgroup: Unknown subsys name 'net' [ 37.270835] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.279632] audit: type=1400 audit(1684380485.901:6): 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 [ 51.409478] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.411050] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.413931] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.417080] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.418641] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.419847] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.803989] ------------[ cut here ]------------ [ 51.805140] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.806803] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.808017] Modules linked in: [ 51.808461] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.812969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.813987] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.814668] 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 [ 51.816835] RSP: 0018:ffff88801e78fc00 EFLAGS: 00010282 [ 51.817516] RAX: 0000000000000000 RBX: ffff88800ca9b440 RCX: 0000000000000000 [ 51.818368] RDX: ffff88801639b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.819262] RBP: ffff88800ca9b454 R08: 0000000000000001 R09: 0000000000000000 [ 51.820164] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.821047] R13: ffffffff84e23fe0 R14: ffff88800ca9b448 R15: ffffffff84d74dc0 [ 51.821934] FS: 0000555556d60400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.822925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.823660] CR2: 00007fff8dbff000 CR3: 0000000009048000 CR4: 0000000000350ef0 [ 51.824576] Call Trace: [ 51.824902] [ 51.825196] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.825843] ipv4_frags_init_net+0x269/0x440 [ 51.826428] ops_init+0xbb/0x6b0 [ 51.826881] setup_net+0x3d9/0x990 [ 51.827336] ? down_read_killable+0x1d7/0x4e0 [ 51.827939] ? __pfx_setup_net+0x10/0x10 [ 51.828480] ? copy_net_ns+0x17c/0x770 [ 51.828992] copy_net_ns+0x321/0x770 [ 51.829512] create_new_namespaces+0x3f6/0xb30 [ 51.830097] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.830736] ksys_unshare+0x44d/0x8e0 [ 51.831229] ? __pfx_ksys_unshare+0x10/0x10 [ 51.831803] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.832575] __x64_sys_unshare+0x31/0x40 [ 51.833088] do_syscall_64+0x3f/0x90 [ 51.833597] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.834253] RIP: 0033:0x7f905afe40d7 [ 51.834748] 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 [ 51.837012] RSP: 002b:00007ffec2576ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.837973] RAX: ffffffffffffffda RBX: 00007ffec2577328 RCX: 00007f905afe40d7 [ 51.838885] RDX: 00007f905b04e41f RSI: 00007ffec2576c80 RDI: 0000000040000000 [ 51.839798] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffec2576a90 [ 51.840723] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f905b0f6bf0 [ 51.841632] R13: 00007ffec2576dc0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.842563] [ 51.842870] irq event stamp: 8077 [ 51.843301] hardirqs last enabled at (8087): [] __up_console_sem+0x78/0x80 [ 51.844404] hardirqs last disabled at (8098): [] __up_console_sem+0x5d/0x80 [ 51.845498] softirqs last enabled at (7584): [] irq_exit_rcu+0x93/0xc0 [ 51.846557] softirqs last disabled at (7547): [] irq_exit_rcu+0x93/0xc0 [ 51.847604] ---[ end trace 0000000000000000 ]--- [ 51.852818] ------------[ cut here ]------------ [ 51.853449] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.855157] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.856267] Modules linked in: [ 51.856711] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.857906] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.858957] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.859654] 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 [ 51.861911] RSP: 0018:ffff88801e78fc00 EFLAGS: 00010282 [ 51.862615] RAX: 0000000000000000 RBX: ffff88800d6cb440 RCX: 0000000000000000 [ 51.863529] RDX: ffff88801639b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.864452] RBP: ffff88800d6cb454 R08: 0000000000000001 R09: 0000000000000000 [ 51.865337] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.866250] R13: ffffffff84e23fe0 R14: ffff88800d6cb448 R15: ffffffff84da7d60 [ 51.867166] FS: 0000555556d60400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.868198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.868953] CR2: 00007fff8dbff000 CR3: 0000000009048000 CR4: 0000000000350ef0 [ 51.869869] Call Trace: [ 51.870202] [ 51.870534] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.871164] ipv6_frags_init_net+0x206/0x3c0 [ 51.871766] ops_init+0xbb/0x6b0 [ 51.872245] setup_net+0x3d9/0x990 [ 51.872744] ? down_read_killable+0x1d7/0x4e0 [ 51.873488] ? __pfx_setup_net+0x10/0x10 [ 51.874033] ? copy_net_ns+0x17c/0x770 [ 51.874607] copy_net_ns+0x321/0x770 [ 51.875125] create_new_namespaces+0x3f6/0xb30 [ 51.875791] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.876486] ksys_unshare+0x44d/0x8e0 [ 51.877011] ? __pfx_ksys_unshare+0x10/0x10 [ 51.877626] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.878417] __x64_sys_unshare+0x31/0x40 [ 51.878965] do_syscall_64+0x3f/0x90 [ 51.879509] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.880219] RIP: 0033:0x7f905afe40d7 [ 51.880751] 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 [ 51.883073] RSP: 002b:00007ffec2576ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.884067] RAX: ffffffffffffffda RBX: 00007ffec2577328 RCX: 00007f905afe40d7 [ 51.884942] RDX: 00007f905b04e41f RSI: 00007ffec2576c80 RDI: 0000000040000000 [ 51.885830] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffec2576a90 [ 51.886717] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f905b0f6bf0 [ 51.887709] R13: 00007ffec2576dc0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.888587] [ 51.888882] irq event stamp: 9839 [ 51.889314] hardirqs last enabled at (9849): [] __up_console_sem+0x78/0x80 [ 51.890337] hardirqs last disabled at (9860): [] __up_console_sem+0x5d/0x80 [ 51.891342] softirqs last enabled at (9386): [] irq_exit_rcu+0x93/0xc0 [ 51.892351] softirqs last disabled at (9381): [] irq_exit_rcu+0x93/0xc0 [ 51.893344] ---[ end trace 0000000000000000 ]--- [ 51.894647] ------------[ cut here ]------------ [ 51.895209] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.897032] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.898063] Modules linked in: [ 51.898483] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.899602] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.900610] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.901251] 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 [ 51.903403] RSP: 0018:ffff88801e78fbf0 EFLAGS: 00010286 [ 51.904080] RAX: 0000000000000000 RBX: ffff88800d6cae40 RCX: 0000000000000000 [ 51.905009] RDX: ffff88801639b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.905909] RBP: ffff88800d6cae54 R08: 0000000000000001 R09: 0000000000000000 [ 51.906770] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.907629] R13: ffffffff84e23fe0 R14: ffff88800d6cae48 R15: ffffffff84db0aa0 [ 51.908501] FS: 0000555556d60400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.909461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.910169] CR2: 00007fff8dbff000 CR3: 0000000009048000 CR4: 0000000000350ef0 [ 51.911048] Call Trace: [ 51.911399] [ 51.911692] nf_ct_net_init+0x224/0x3d0 [ 51.912213] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.912804] ops_init+0xbb/0x6b0 [ 51.913238] setup_net+0x3d9/0x990 [ 51.913707] ? down_read_killable+0x1d7/0x4e0 [ 51.914258] ? __pfx_setup_net+0x10/0x10 [ 51.914776] ? copy_net_ns+0x17c/0x770 [ 51.915267] copy_net_ns+0x321/0x770 [ 51.915756] create_new_namespaces+0x3f6/0xb30 [ 51.916325] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.916948] ksys_unshare+0x44d/0x8e0 [ 51.917486] ? __pfx_ksys_unshare+0x10/0x10 [ 51.918022] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.918731] __x64_sys_unshare+0x31/0x40 [ 51.919230] do_syscall_64+0x3f/0x90 [ 51.919720] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.920351] RIP: 0033:0x7f905afe40d7 [ 51.920851] 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 [ 51.922975] RSP: 002b:00007ffec2576ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.923897] RAX: ffffffffffffffda RBX: 00007ffec2577328 RCX: 00007f905afe40d7 [ 51.924786] RDX: 00007f905b04e41f RSI: 00007ffec2576c80 RDI: 0000000040000000 [ 51.925674] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffec2576a90 [ 51.926544] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f905b0f6bf0 [ 51.927445] R13: 00007ffec2576dc0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.928328] [ 51.928658] irq event stamp: 10601 [ 51.929093] hardirqs last enabled at (10611): [] __up_console_sem+0x78/0x80 [ 51.930145] hardirqs last disabled at (10622): [] __up_console_sem+0x5d/0x80 [ 51.931198] softirqs last enabled at (10508): [] irq_exit_rcu+0x93/0xc0 [ 51.932245] softirqs last disabled at (10503): [] irq_exit_rcu+0x93/0xc0 [ 51.933255] ---[ end trace 0000000000000000 ]--- executing program [ 53.496061] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.543442] Bluetooth: hci0: command 0x041b tx timeout [ 57.591542] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.639448] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:28:07 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801e78f598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 0000555556d60400 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=00007fff8dbff000 CR3=0000000009048000 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=000000000003ce7b 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=00007f9ad1718250 CR3=000000000ede4000 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=8f20b2ec1383febc3a462cce6988d949 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=b6a2a91682f7a135000000000013c980 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=756b9edbe0616d3e00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000