syzkaller login: [ 38.059771] sshd (224) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:48339' (ECDSA) to the list of known hosts. 2023/05/17 13:05:38 fuzzer started 2023/05/17 13:05:38 dialing manager at localhost:44319 2023/05/17 13:05:38 checking machine... 2023/05/17 13:05:38 checking revisions... [ 39.224306] kmemleak: Automatic memory scanning thread ended 2023/05/17 13:05:38 testing simple program... [ 39.281619] cgroup: Unknown subsys name 'net' [ 39.347281] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.655578] audit: type=1400 audit(1684328752.968:6): 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 executing program [ 54.756612] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.758690] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.760754] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.764315] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.766022] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.767351] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.148353] ------------[ cut here ]------------ [ 55.149494] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.151655] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.153092] Modules linked in: [ 55.153650] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.159235] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.160431] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.161222] 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 [ 55.163819] RSP: 0018:ffff88801ee77c00 EFLAGS: 00010282 [ 55.164616] RAX: 0000000000000000 RBX: ffff8880167b5440 RCX: 0000000000000000 [ 55.165646] RDX: ffff88801ee68000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.166702] RBP: ffff8880167b5454 R08: 0000000000000001 R09: 0000000000000000 [ 55.167736] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.168771] R13: ffffffff84e23fe0 R14: ffff8880167b5448 R15: ffffffff84d74dc0 [ 55.169810] FS: 0000555556bd9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.171079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.171954] CR2: 00007f3467ffe6f4 CR3: 0000000020262000 CR4: 0000000000350ee0 [ 55.172983] Call Trace: [ 55.173360] [ 55.173702] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.174460] ipv4_frags_init_net+0x269/0x440 [ 55.175175] ops_init+0xbb/0x6b0 [ 55.175708] setup_net+0x3d9/0x990 [ 55.176280] ? down_read_killable+0x1d7/0x4e0 [ 55.176975] ? __pfx_setup_net+0x10/0x10 [ 55.177571] ? copy_net_ns+0x17c/0x770 [ 55.178217] copy_net_ns+0x321/0x770 [ 55.178798] create_new_namespaces+0x3f6/0xb30 [ 55.179507] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.180254] ksys_unshare+0x44d/0x8e0 [ 55.180827] ? __pfx_ksys_unshare+0x10/0x10 [ 55.181500] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.182363] __x64_sys_unshare+0x31/0x40 [ 55.183004] do_syscall_64+0x3f/0x90 [ 55.183560] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.184346] RIP: 0033:0x7f69607f70d7 [ 55.184923] 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 [ 55.187492] RSP: 002b:00007ffd33511c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.188605] RAX: ffffffffffffffda RBX: 00007ffd33512268 RCX: 00007f69607f70d7 [ 55.189633] RDX: 00007f696086141f RSI: 00007ffd33511bc0 RDI: 0000000040000000 [ 55.190655] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd335119d0 [ 55.191692] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6960909bf0 [ 55.192705] R13: 00007ffd33511d00 R14: 0000000000000000 R15: 00000000000000f8 [ 55.193754] [ 55.194134] irq event stamp: 8473 [ 55.194640] hardirqs last enabled at (8483): [] __up_console_sem+0x78/0x80 [ 55.195883] hardirqs last disabled at (8494): [] __up_console_sem+0x5d/0x80 [ 55.197114] softirqs last enabled at (8250): [] irq_exit_rcu+0x93/0xc0 [ 55.198308] softirqs last disabled at (8241): [] irq_exit_rcu+0x93/0xc0 [ 55.199500] ---[ end trace 0000000000000000 ]--- [ 55.205291] ------------[ cut here ]------------ [ 55.207145] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.209072] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.210345] Modules linked in: [ 55.210774] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.212077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.213205] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.214077] 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 [ 55.216509] RSP: 0018:ffff88801ee77c00 EFLAGS: 00010282 [ 55.217300] RAX: 0000000000000000 RBX: ffff88800e750240 RCX: 0000000000000000 [ 55.218370] RDX: ffff88801ee68000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.219421] RBP: ffff88800e750254 R08: 0000000000000001 R09: 0000000000000000 [ 55.220480] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.221474] R13: ffffffff84e23fe0 R14: ffff88800e750248 R15: ffffffff84da7d60 [ 55.222539] FS: 0000555556bd9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.223667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.224596] CR2: 00007fe0085f1840 CR3: 0000000020262000 CR4: 0000000000350ef0 [ 55.225602] Call Trace: [ 55.226101] [ 55.226405] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.227204] ipv6_frags_init_net+0x206/0x3c0 [ 55.227777] ops_init+0xbb/0x6b0 [ 55.228384] setup_net+0x3d9/0x990 [ 55.229042] ? down_read_killable+0x1d7/0x4e0 [ 55.229623] ? __pfx_setup_net+0x10/0x10 [ 55.230304] ? copy_net_ns+0x17c/0x770 [ 55.230835] copy_net_ns+0x321/0x770 [ 55.231510] create_new_namespaces+0x3f6/0xb30 [ 55.232240] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.233075] ksys_unshare+0x44d/0x8e0 [ 55.233564] ? __pfx_ksys_unshare+0x10/0x10 [ 55.234262] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.235193] __x64_sys_unshare+0x31/0x40 [ 55.235716] do_syscall_64+0x3f/0x90 [ 55.236320] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.237169] RIP: 0033:0x7f69607f70d7 [ 55.237643] 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 [ 55.240020] RSP: 002b:00007ffd33511c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.241116] RAX: ffffffffffffffda RBX: 00007ffd33512268 RCX: 00007f69607f70d7 [ 55.242129] RDX: 00007f696086141f RSI: 00007ffd33511bc0 RDI: 0000000040000000 [ 55.243184] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd335119d0 [ 55.244173] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6960909bf0 [ 55.245086] R13: 00007ffd33511d00 R14: 0000000000000000 R15: 00000000000000f8 [ 55.246015] [ 55.246317] irq event stamp: 13307 [ 55.246762] hardirqs last enabled at (13317): [] __up_console_sem+0x78/0x80 [ 55.247871] hardirqs last disabled at (13330): [] __up_console_sem+0x5d/0x80 [ 55.248940] softirqs last enabled at (13268): [] irq_exit_rcu+0x93/0xc0 [ 55.249991] softirqs last disabled at (13241): [] irq_exit_rcu+0x93/0xc0 [ 55.251048] ---[ end trace 0000000000000000 ]--- [ 55.252403] ------------[ cut here ]------------ [ 55.253053] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.254984] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.256048] Modules linked in: [ 55.256458] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.257640] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.258686] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.259377] 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 [ 55.261549] RSP: 0018:ffff88801ee77bf0 EFLAGS: 00010286 [ 55.262270] RAX: 0000000000000000 RBX: ffff88800dac1240 RCX: 0000000000000000 [ 55.263194] RDX: ffff88801ee68000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.264100] RBP: ffff88800dac1254 R08: 0000000000000001 R09: 0000000000000000 [ 55.264985] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.265841] R13: ffffffff84e23fe0 R14: ffff88800dac1248 R15: ffffffff84db0aa0 [ 55.266766] FS: 0000555556bd9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.267772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.268511] CR2: 00007fe0085f1840 CR3: 0000000020262000 CR4: 0000000000350ef0 [ 55.269413] Call Trace: [ 55.269740] [ 55.270077] nf_ct_net_init+0x224/0x3d0 [ 55.270605] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.271215] ops_init+0xbb/0x6b0 [ 55.271665] setup_net+0x3d9/0x990 [ 55.272153] ? down_read_killable+0x1d7/0x4e0 [ 55.272728] ? __pfx_setup_net+0x10/0x10 [ 55.273277] ? copy_net_ns+0x17c/0x770 [ 55.273790] copy_net_ns+0x321/0x770 [ 55.274314] create_new_namespaces+0x3f6/0xb30 [ 55.274953] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.275572] ksys_unshare+0x44d/0x8e0 [ 55.276104] ? __pfx_ksys_unshare+0x10/0x10 [ 55.276660] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.277409] __x64_sys_unshare+0x31/0x40 [ 55.277966] do_syscall_64+0x3f/0x90 [ 55.278449] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.279138] RIP: 0033:0x7f69607f70d7 [ 55.279605] 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 [ 55.281770] RSP: 002b:00007ffd33511c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.282750] RAX: ffffffffffffffda RBX: 00007ffd33512268 RCX: 00007f69607f70d7 [ 55.283655] RDX: 00007f696086141f RSI: 00007ffd33511bc0 RDI: 0000000040000000 [ 55.284551] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd335119d0 [ 55.285444] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6960909bf0 [ 55.286337] R13: 00007ffd33511d00 R14: 0000000000000000 R15: 00000000000000f8 [ 55.287259] [ 55.287565] irq event stamp: 14081 [ 55.288035] hardirqs last enabled at (14093): [] __up_console_sem+0x78/0x80 [ 55.289097] hardirqs last disabled at (14104): [] __up_console_sem+0x5d/0x80 [ 55.290171] softirqs last enabled at (13672): [] irq_exit_rcu+0x93/0xc0 [ 55.291230] softirqs last disabled at (13665): [] irq_exit_rcu+0x93/0xc0 [ 55.292280] ---[ end trace 0000000000000000 ]--- [ 56.834503] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.881916] Bluetooth: hci0: command 0x041b tx timeout executing program [ 60.929930] Bluetooth: hci0: command 0x040f tx timeout [ 62.977922] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:05:51 Registers: info registers vcpu 0 RAX=0000000000028977 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007fe00861fde0 CR3=000000000f5ae000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=203a4944522032646131373131386600 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801ee775f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555556bd9400 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=00007f3467ffe6f4 CR3=0000000020262000 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