syzkaller login: [ 38.082438] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:60619' (ECDSA) to the list of known hosts. 2023/05/18 01:57:10 fuzzer started 2023/05/18 01:57:10 dialing manager at localhost:44319 2023/05/18 01:57:10 checking machine... 2023/05/18 01:57:10 checking revisions... [ 39.356679] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:57:11 testing simple program... [ 39.430956] cgroup: Unknown subsys name 'net' [ 39.530945] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.246936] audit: type=1400 audit(1684375044.898:6): avc: denied { execmem } for pid=256 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 [ 54.370362] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.372500] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.375177] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.378396] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.381348] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.382575] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.763108] ------------[ cut here ]------------ [ 54.763915] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.766439] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.767816] Modules linked in: [ 54.768353] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.773209] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.774353] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.775055] 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 [ 54.777266] RSP: 0018:ffff88801ee7fc00 EFLAGS: 00010282 [ 54.778000] RAX: 0000000000000000 RBX: ffff88800db5c840 RCX: 0000000000000000 [ 54.778926] RDX: ffff8880182b8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.779802] RBP: ffff88800db5c854 R08: 0000000000000001 R09: 0000000000000000 [ 54.780703] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.781615] R13: ffffffff84e23fe0 R14: ffff88800db5c848 R15: ffffffff84d74dc0 [ 54.782561] FS: 0000555556e85400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.783561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.784311] CR2: 00007f82b56d76f4 CR3: 000000000da6a000 CR4: 0000000000350ef0 [ 54.785207] Call Trace: [ 54.785563] [ 54.785898] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.786550] ipv4_frags_init_net+0x269/0x440 [ 54.787160] ops_init+0xbb/0x6b0 [ 54.787607] setup_net+0x3d9/0x990 [ 54.788101] ? down_read_killable+0x1d7/0x4e0 [ 54.788675] ? __pfx_setup_net+0x10/0x10 [ 54.789220] ? copy_net_ns+0x17c/0x770 [ 54.789744] copy_net_ns+0x321/0x770 [ 54.790294] create_new_namespaces+0x3f6/0xb30 [ 54.790917] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.791536] ksys_unshare+0x44d/0x8e0 [ 54.792069] ? __pfx_ksys_unshare+0x10/0x10 [ 54.792623] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.793373] __x64_sys_unshare+0x31/0x40 [ 54.793970] do_syscall_64+0x3f/0x90 [ 54.794481] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.795168] RIP: 0033:0x7ff20422d0d7 [ 54.795638] 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 [ 54.797837] RSP: 002b:00007ffdb3f2ea78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.798816] RAX: ffffffffffffffda RBX: 00007ffdb3f2f0b8 RCX: 00007ff20422d0d7 [ 54.799716] RDX: 00007ff20429741f RSI: 00007ffdb3f2ea10 RDI: 0000000040000000 [ 54.800612] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb3f2e820 [ 54.801528] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff20433fbf0 [ 54.802455] R13: 00007ffdb3f2eb50 R14: 0000000000000000 R15: 00000000000000f8 [ 54.803376] [ 54.803681] irq event stamp: 8969 [ 54.804141] hardirqs last enabled at (8981): [] __up_console_sem+0x78/0x80 [ 54.805208] hardirqs last disabled at (8992): [] __up_console_sem+0x5d/0x80 [ 54.806338] softirqs last enabled at (8440): [] irq_exit_rcu+0x93/0xc0 [ 54.807372] softirqs last disabled at (8345): [] irq_exit_rcu+0x93/0xc0 [ 54.808415] ---[ end trace 0000000000000000 ]--- [ 54.814348] ------------[ cut here ]------------ [ 54.814994] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.816658] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.817741] Modules linked in: [ 54.818216] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.819387] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.820406] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.821087] 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 [ 54.823328] RSP: 0018:ffff88801ee7fc00 EFLAGS: 00010282 [ 54.824018] RAX: 0000000000000000 RBX: ffff88800965b040 RCX: 0000000000000000 [ 54.824925] RDX: ffff8880182b8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.825821] RBP: ffff88800965b054 R08: 0000000000000001 R09: 0000000000000000 [ 54.826758] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.827666] R13: ffffffff84e23fe0 R14: ffff88800965b048 R15: ffffffff84da7d60 [ 54.828570] FS: 0000555556e85400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.829588] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.830382] CR2: 00007f82b56d76f4 CR3: 000000000da6a000 CR4: 0000000000350ef0 [ 54.831280] Call Trace: [ 54.831607] [ 54.831934] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.832562] ipv6_frags_init_net+0x206/0x3c0 [ 54.833178] ops_init+0xbb/0x6b0 [ 54.833653] setup_net+0x3d9/0x990 [ 54.834172] ? down_read_killable+0x1d7/0x4e0 [ 54.834759] ? __pfx_setup_net+0x10/0x10 [ 54.835305] ? copy_net_ns+0x17c/0x770 [ 54.835823] copy_net_ns+0x321/0x770 [ 54.836344] create_new_namespaces+0x3f6/0xb30 [ 54.836964] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.837605] ksys_unshare+0x44d/0x8e0 [ 54.838150] ? __pfx_ksys_unshare+0x10/0x10 [ 54.838723] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.839470] __x64_sys_unshare+0x31/0x40 [ 54.840025] do_syscall_64+0x3f/0x90 [ 54.840509] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.841193] RIP: 0033:0x7ff20422d0d7 [ 54.841688] 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 [ 54.843918] RSP: 002b:00007ffdb3f2ea78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.844844] RAX: ffffffffffffffda RBX: 00007ffdb3f2f0b8 RCX: 00007ff20422d0d7 [ 54.845768] RDX: 00007ff20429741f RSI: 00007ffdb3f2ea10 RDI: 0000000040000000 [ 54.846701] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb3f2e820 [ 54.847590] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff20433fbf0 [ 54.848486] R13: 00007ffdb3f2eb50 R14: 0000000000000000 R15: 00000000000000f8 [ 54.849438] [ 54.849750] irq event stamp: 10717 [ 54.850251] hardirqs last enabled at (10729): [] __up_console_sem+0x78/0x80 [ 54.851331] hardirqs last disabled at (10740): [] __up_console_sem+0x5d/0x80 [ 54.852411] softirqs last enabled at (10214): [] irq_exit_rcu+0x93/0xc0 [ 54.853467] softirqs last disabled at (10209): [] irq_exit_rcu+0x93/0xc0 [ 54.854551] ---[ end trace 0000000000000000 ]--- [ 54.855972] ------------[ cut here ]------------ [ 54.856558] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.858522] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.859635] Modules linked in: [ 54.860086] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.861264] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.862384] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.863075] 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 [ 54.865264] RSP: 0018:ffff88801ee7fbf0 EFLAGS: 00010286 [ 54.865992] RAX: 0000000000000000 RBX: ffff88800965b440 RCX: 0000000000000000 [ 54.866928] RDX: ffff8880182b8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.867793] RBP: ffff88800965b454 R08: 0000000000000001 R09: 0000000000000000 [ 54.868692] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.869602] R13: ffffffff84e23fe0 R14: ffff88800965b448 R15: ffffffff84db0aa0 [ 54.870536] FS: 0000555556e85400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.871532] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.872278] CR2: 00007f82b56d76f4 CR3: 000000000da6a000 CR4: 0000000000350ef0 [ 54.873180] Call Trace: [ 54.873520] [ 54.873824] nf_ct_net_init+0x224/0x3d0 [ 54.874415] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.875031] ops_init+0xbb/0x6b0 [ 54.875489] setup_net+0x3d9/0x990 [ 54.875980] ? down_read_killable+0x1d7/0x4e0 [ 54.876554] ? __pfx_setup_net+0x10/0x10 [ 54.877104] ? copy_net_ns+0x17c/0x770 [ 54.877639] copy_net_ns+0x321/0x770 [ 54.878189] create_new_namespaces+0x3f6/0xb30 [ 54.878790] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.879462] ksys_unshare+0x44d/0x8e0 [ 54.879987] ? __pfx_ksys_unshare+0x10/0x10 [ 54.880541] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.881279] __x64_sys_unshare+0x31/0x40 [ 54.881821] do_syscall_64+0x3f/0x90 [ 54.882373] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.883055] RIP: 0033:0x7ff20422d0d7 [ 54.883537] 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 [ 54.885748] RSP: 002b:00007ffdb3f2ea78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.886762] RAX: ffffffffffffffda RBX: 00007ffdb3f2f0b8 RCX: 00007ff20422d0d7 [ 54.887658] RDX: 00007ff20429741f RSI: 00007ffdb3f2ea10 RDI: 0000000040000000 [ 54.888547] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb3f2e820 [ 54.889466] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff20433fbf0 [ 54.890415] R13: 00007ffdb3f2eb50 R14: 0000000000000000 R15: 00000000000000f8 [ 54.891348] [ 54.891650] irq event stamp: 11565 [ 54.892111] hardirqs last enabled at (11577): [] __up_console_sem+0x78/0x80 [ 54.893197] hardirqs last disabled at (11588): [] __up_console_sem+0x5d/0x80 [ 54.894343] softirqs last enabled at (11382): [] irq_exit_rcu+0x93/0xc0 [ 54.895395] softirqs last disabled at (11375): [] irq_exit_rcu+0x93/0xc0 [ 54.896441] ---[ end trace 0000000000000000 ]--- [ 56.450607] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.498038] Bluetooth: hci0: command 0x041b tx timeout executing program [ 60.546022] Bluetooth: hci0: command 0x040f tx timeout [ 62.594068] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:57:23 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801ee7f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556e85400 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=00007f82b56d76f4 CR3=000000000da6a000 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=0000000000034ff3 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=00007f3840443d70 CR3=000000000e524000 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=96b3e4b9954ed7860f4b3ca7848256ae XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=a0a14c296efba62d000000000013bfa0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=679787d3c9a912ea00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000