syzkaller login: [ 40.499082] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:5042' (ECDSA) to the list of known hosts. 2023/05/18 02:31:20 fuzzer started 2023/05/18 02:31:21 dialing manager at localhost:44319 2023/05/18 02:31:21 checking machine... 2023/05/18 02:31:21 checking revisions... [ 42.588438] kmemleak: Automatic memory scanning thread ended 2023/05/18 02:31:21 testing simple program... [ 42.659652] cgroup: Unknown subsys name 'net' [ 42.729672] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.159700] audit: type=1400 audit(1684377093.784:6): 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 [ 56.293136] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.294817] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.297627] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.300804] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.303270] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.304772] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.699264] ------------[ cut here ]------------ [ 56.700499] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.702802] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.703887] Modules linked in: [ 56.704316] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.705488] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.710107] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.710773] 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 [ 56.712930] RSP: 0018:ffff88800946fc00 EFLAGS: 00010282 [ 56.713610] RAX: 0000000000000000 RBX: ffff88800c906040 RCX: 0000000000000000 [ 56.714498] RDX: ffff88801cd6b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.715381] RBP: ffff88800c906054 R08: 0000000000000001 R09: 0000000000000000 [ 56.716255] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.717138] R13: ffffffff84e23fe0 R14: ffff88800c906048 R15: ffffffff84d74dc0 [ 56.718037] FS: 0000555556fe3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.719054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.719750] CR2: 00007f7e7503e8a0 CR3: 0000000016952000 CR4: 0000000000350ee0 [ 56.720628] Call Trace: [ 56.720952] [ 56.721273] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.721885] ipv4_frags_init_net+0x269/0x440 [ 56.722462] ops_init+0xbb/0x6b0 [ 56.722928] setup_net+0x3d9/0x990 [ 56.723405] ? down_read_killable+0x1d7/0x4e0 [ 56.723967] ? __pfx_setup_net+0x10/0x10 [ 56.724500] ? copy_net_ns+0x17c/0x770 [ 56.725031] copy_net_ns+0x321/0x770 [ 56.725525] create_new_namespaces+0x3f6/0xb30 [ 56.726141] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.726760] ksys_unshare+0x44d/0x8e0 [ 56.727278] ? __pfx_ksys_unshare+0x10/0x10 [ 56.727824] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.728559] __x64_sys_unshare+0x31/0x40 [ 56.729097] do_syscall_64+0x3f/0x90 [ 56.729570] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.730254] RIP: 0033:0x7fb9cfd690d7 [ 56.730750] 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 [ 56.733036] RSP: 002b:00007ffc4a884448 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.734026] RAX: ffffffffffffffda RBX: 00007ffc4a884a88 RCX: 00007fb9cfd690d7 [ 56.734932] RDX: 00007fb9cfdd341f RSI: 00007ffc4a8843e0 RDI: 0000000040000000 [ 56.735881] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc4a8841f0 [ 56.736808] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb9cfe7bbf0 [ 56.737749] R13: 00007ffc4a884520 R14: 0000000000000000 R15: 00000000000000f8 [ 56.738740] [ 56.739083] irq event stamp: 7869 [ 56.739529] hardirqs last enabled at (7879): [] __up_console_sem+0x78/0x80 [ 56.740657] hardirqs last disabled at (7890): [] __up_console_sem+0x5d/0x80 [ 56.741786] softirqs last enabled at (7776): [] irq_exit_rcu+0x93/0xc0 [ 56.742902] softirqs last disabled at (7771): [] irq_exit_rcu+0x93/0xc0 [ 56.744001] ---[ end trace 0000000000000000 ]--- [ 56.749089] ------------[ cut here ]------------ [ 56.749701] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.751494] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.752622] Modules linked in: [ 56.753070] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.754280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.755361] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.756076] 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 [ 56.758427] RSP: 0018:ffff88800946fc00 EFLAGS: 00010282 [ 56.759160] RAX: 0000000000000000 RBX: ffff88800d600440 RCX: 0000000000000000 [ 56.760110] RDX: ffff88801cd6b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.761062] RBP: ffff88800d600454 R08: 0000000000000001 R09: 0000000000000000 [ 56.761968] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.762924] R13: ffffffff84e23fe0 R14: ffff88800d600448 R15: ffffffff84da7d60 [ 56.763879] FS: 0000555556fe3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.764934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.765717] CR2: 00007f7e7503e8a0 CR3: 0000000016952000 CR4: 0000000000350ee0 [ 56.766678] Call Trace: [ 56.767050] [ 56.767357] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.768035] ipv6_frags_init_net+0x206/0x3c0 [ 56.768625] ops_init+0xbb/0x6b0 [ 56.769123] setup_net+0x3d9/0x990 [ 56.769594] ? down_read_killable+0x1d7/0x4e0 [ 56.770196] ? __pfx_setup_net+0x10/0x10 [ 56.770752] ? copy_net_ns+0x17c/0x770 [ 56.771309] copy_net_ns+0x321/0x770 [ 56.771819] create_new_namespaces+0x3f6/0xb30 [ 56.772459] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.773137] ksys_unshare+0x44d/0x8e0 [ 56.773654] ? __pfx_ksys_unshare+0x10/0x10 [ 56.774258] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.775063] __x64_sys_unshare+0x31/0x40 [ 56.775610] do_syscall_64+0x3f/0x90 [ 56.776144] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.776832] RIP: 0033:0x7fb9cfd690d7 [ 56.777355] 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 [ 56.779686] RSP: 002b:00007ffc4a884448 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.780695] RAX: ffffffffffffffda RBX: 00007ffc4a884a88 RCX: 00007fb9cfd690d7 [ 56.781636] RDX: 00007fb9cfdd341f RSI: 00007ffc4a8843e0 RDI: 0000000040000000 [ 56.782594] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc4a8841f0 [ 56.783542] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb9cfe7bbf0 [ 56.784463] R13: 00007ffc4a884520 R14: 0000000000000000 R15: 00000000000000f8 [ 56.785432] [ 56.785749] irq event stamp: 9567 [ 56.786225] hardirqs last enabled at (9579): [] __up_console_sem+0x78/0x80 [ 56.787350] hardirqs last disabled at (9590): [] __up_console_sem+0x5d/0x80 [ 56.788469] softirqs last enabled at (9060): [] irq_exit_rcu+0x93/0xc0 [ 56.789547] softirqs last disabled at (9019): [] irq_exit_rcu+0x93/0xc0 [ 56.790656] ---[ end trace 0000000000000000 ]--- [ 56.792019] ------------[ cut here ]------------ [ 56.792584] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.794439] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.795510] Modules linked in: [ 56.795913] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.797070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.798067] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.798717] 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 [ 56.800868] RSP: 0018:ffff88800946fbf0 EFLAGS: 00010286 [ 56.801537] RAX: 0000000000000000 RBX: ffff8880165a3040 RCX: 0000000000000000 [ 56.802409] RDX: ffff88801cd6b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.803307] RBP: ffff8880165a3054 R08: 0000000000000001 R09: 0000000000000000 [ 56.804183] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.805062] R13: ffffffff84e23fe0 R14: ffff8880165a3048 R15: ffffffff84db0aa0 [ 56.805905] FS: 0000555556fe3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.806900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.807627] CR2: 00007f7e7503e8a0 CR3: 0000000016952000 CR4: 0000000000350ee0 [ 56.808510] Call Trace: [ 56.808833] [ 56.809166] nf_ct_net_init+0x224/0x3d0 [ 56.809676] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.810283] ops_init+0xbb/0x6b0 [ 56.810745] setup_net+0x3d9/0x990 [ 56.811231] ? down_read_killable+0x1d7/0x4e0 [ 56.811799] ? __pfx_setup_net+0x10/0x10 [ 56.812336] ? copy_net_ns+0x17c/0x770 [ 56.812840] copy_net_ns+0x321/0x770 [ 56.813357] create_new_namespaces+0x3f6/0xb30 [ 56.813943] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.814588] ksys_unshare+0x44d/0x8e0 [ 56.815129] ? __pfx_ksys_unshare+0x10/0x10 [ 56.815707] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.816498] __x64_sys_unshare+0x31/0x40 [ 56.817070] do_syscall_64+0x3f/0x90 [ 56.817575] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.818287] RIP: 0033:0x7fb9cfd690d7 [ 56.818801] 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 [ 56.821115] RSP: 002b:00007ffc4a884448 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.822109] RAX: ffffffffffffffda RBX: 00007ffc4a884a88 RCX: 00007fb9cfd690d7 [ 56.823070] RDX: 00007fb9cfdd341f RSI: 00007ffc4a8843e0 RDI: 0000000040000000 [ 56.824004] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc4a8841f0 [ 56.824912] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb9cfe7bbf0 [ 56.825847] R13: 00007ffc4a884520 R14: 0000000000000000 R15: 00000000000000f8 [ 56.826821] [ 56.827167] irq event stamp: 10353 [ 56.827621] hardirqs last enabled at (10363): [] __up_console_sem+0x78/0x80 [ 56.828748] hardirqs last disabled at (10374): [] __up_console_sem+0x5d/0x80 [ 56.829875] softirqs last enabled at (9892): [] irq_exit_rcu+0x93/0xc0 [ 56.830997] softirqs last disabled at (9887): [] irq_exit_rcu+0x93/0xc0 [ 56.832081] ---[ end trace 0000000000000000 ]--- executing program [ 58.373702] Bluetooth: hci0: command 0x0409 tx timeout [ 60.421061] Bluetooth: hci0: command 0x041b tx timeout executing program [ 62.469034] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.518104] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:31:26 Registers: info registers vcpu 0 RAX=000000000001ef9f 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=00007fa93c0380d8 CR3=0000000018698000 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=2035333a31333a32302038312079614d XMM01=5d3838343530372e36352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3838343530372e36352020205b20 XMM07=732035333a31333a3230203831207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000072 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800946f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000072 R11=0000000000000001 R12=0000000000000072 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 0000555556fe3400 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=00007f7e7503e8a0 CR3=0000000016952000 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