syzkaller login: [ 34.268316] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:33134' (ECDSA) to the list of known hosts. 2023/05/18 03:56:01 fuzzer started 2023/05/18 03:56:01 dialing manager at localhost:44319 2023/05/18 03:56:02 checking machine... 2023/05/18 03:56:02 checking revisions... [ 35.495014] kmemleak: Automatic memory scanning thread ended 2023/05/18 03:56:02 testing simple program... [ 35.563642] cgroup: Unknown subsys name 'net' [ 35.619595] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.761524] audit: type=1400 audit(1684382175.415:6): 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 [ 49.864730] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.866195] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.868352] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.871549] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.873194] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.874405] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.245271] ------------[ cut here ]------------ [ 50.245930] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.247558] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.248666] Modules linked in: [ 50.249096] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.253746] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.254764] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.255416] 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 [ 50.257633] RSP: 0018:ffff8880180cfc00 EFLAGS: 00010282 [ 50.258315] RAX: 0000000000000000 RBX: ffff8880145a3440 RCX: 0000000000000000 [ 50.259217] RDX: ffff88800696b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.260108] RBP: ffff8880145a3454 R08: 0000000000000001 R09: 0000000000000000 [ 50.260991] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.261875] R13: ffffffff84e23fe0 R14: ffff8880145a3448 R15: ffffffff84d74dc0 [ 50.262777] FS: 0000555555955400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.263765] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.264473] CR2: 00007fa267b286f4 CR3: 00000000095ca000 CR4: 0000000000350ee0 [ 50.265358] Call Trace: [ 50.265714] [ 50.266012] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.266627] ipv4_frags_init_net+0x269/0x440 [ 50.267215] ops_init+0xbb/0x6b0 [ 50.267662] setup_net+0x3d9/0x990 [ 50.268167] ? down_read_killable+0x1d7/0x4e0 [ 50.268775] ? __pfx_setup_net+0x10/0x10 [ 50.269293] ? copy_net_ns+0x17c/0x770 [ 50.269841] copy_net_ns+0x321/0x770 [ 50.270321] create_new_namespaces+0x3f6/0xb30 [ 50.270952] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.271567] ksys_unshare+0x44d/0x8e0 [ 50.272102] ? __pfx_ksys_unshare+0x10/0x10 [ 50.272659] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.273410] __x64_sys_unshare+0x31/0x40 [ 50.273957] do_syscall_64+0x3f/0x90 [ 50.274441] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.275115] RIP: 0033:0x7f2044d090d7 [ 50.275584] 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 [ 50.277766] RSP: 002b:00007ffebaeacd08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.278723] RAX: ffffffffffffffda RBX: 00007ffebaead348 RCX: 00007f2044d090d7 [ 50.279582] RDX: 00007f2044d7341f RSI: 00007ffebaeacca0 RDI: 0000000040000000 [ 50.280474] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffebaeacab0 [ 50.281359] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2044e1bbf0 [ 50.282231] R13: 00007ffebaeacde0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.283132] [ 50.283435] irq event stamp: 10213 [ 50.283897] hardirqs last enabled at (10225): [] __up_console_sem+0x78/0x80 [ 50.284966] hardirqs last disabled at (10236): [] __up_console_sem+0x5d/0x80 [ 50.286020] softirqs last enabled at (9712): [] irq_exit_rcu+0x93/0xc0 [ 50.287043] softirqs last disabled at (9703): [] irq_exit_rcu+0x93/0xc0 [ 50.288071] ---[ end trace 0000000000000000 ]--- [ 50.293318] ------------[ cut here ]------------ [ 50.293936] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.295613] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.296704] Modules linked in: [ 50.297113] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.298270] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.299275] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.299978] 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 [ 50.302170] RSP: 0018:ffff8880180cfc00 EFLAGS: 00010282 [ 50.302860] RAX: 0000000000000000 RBX: ffff88800fbf0240 RCX: 0000000000000000 [ 50.303742] RDX: ffff88800696b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.304612] RBP: ffff88800fbf0254 R08: 0000000000000001 R09: 0000000000000000 [ 50.305499] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.306392] R13: ffffffff84e23fe0 R14: ffff88800fbf0248 R15: ffffffff84da7d60 [ 50.307289] FS: 0000555555955400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.308313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.309051] CR2: 00007fa267b286f4 CR3: 00000000095ca000 CR4: 0000000000350ee0 [ 50.309943] Call Trace: [ 50.310274] [ 50.310581] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.311242] ipv6_frags_init_net+0x206/0x3c0 [ 50.311831] ops_init+0xbb/0x6b0 [ 50.312296] setup_net+0x3d9/0x990 [ 50.312787] ? down_read_killable+0x1d7/0x4e0 [ 50.313366] ? __pfx_setup_net+0x10/0x10 [ 50.313908] ? copy_net_ns+0x17c/0x770 [ 50.314419] copy_net_ns+0x321/0x770 [ 50.314937] create_new_namespaces+0x3f6/0xb30 [ 50.315531] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.316188] ksys_unshare+0x44d/0x8e0 [ 50.316714] ? __pfx_ksys_unshare+0x10/0x10 [ 50.317253] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.317992] __x64_sys_unshare+0x31/0x40 [ 50.318518] do_syscall_64+0x3f/0x90 [ 50.319034] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.319676] RIP: 0033:0x7f2044d090d7 [ 50.320194] 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 [ 50.322369] RSP: 002b:00007ffebaeacd08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.323334] RAX: ffffffffffffffda RBX: 00007ffebaead348 RCX: 00007f2044d090d7 [ 50.324234] RDX: 00007f2044d7341f RSI: 00007ffebaeacca0 RDI: 0000000040000000 [ 50.325112] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffebaeacab0 [ 50.325989] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2044e1bbf0 [ 50.326874] R13: 00007ffebaeacde0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.327790] [ 50.328109] irq event stamp: 11929 [ 50.328547] hardirqs last enabled at (11939): [] __up_console_sem+0x78/0x80 [ 50.329604] hardirqs last disabled at (11950): [] __up_console_sem+0x5d/0x80 [ 50.330665] softirqs last enabled at (11490): [] irq_exit_rcu+0x93/0xc0 [ 50.331707] softirqs last disabled at (11485): [] irq_exit_rcu+0x93/0xc0 [ 50.332759] ---[ end trace 0000000000000000 ]--- [ 50.334063] ------------[ cut here ]------------ [ 50.334648] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.336554] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.337618] Modules linked in: [ 50.338049] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.339193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.340233] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.340918] 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 [ 50.343079] RSP: 0018:ffff8880180cfbf0 EFLAGS: 00010286 [ 50.343764] RAX: 0000000000000000 RBX: ffff88800d76a440 RCX: 0000000000000000 [ 50.344636] RDX: ffff88800696b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.345526] RBP: ffff88800d76a454 R08: 0000000000000001 R09: 0000000000000000 [ 50.346408] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.347311] R13: ffffffff84e23fe0 R14: ffff88800d76a448 R15: ffffffff84db0aa0 [ 50.348269] FS: 0000555555955400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.349257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 executing program [ 50.350003] CR2: 00007fa267b286f4 CR3: 00000000095ca000 CR4: 0000000000350ee0 [ 50.351088] Call Trace: [ 50.351415] [ 50.351744] nf_ct_net_init+0x224/0x3d0 [ 50.352271] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.352874] ops_init+0xbb/0x6b0 [ 50.353326] setup_net+0x3d9/0x990 [ 50.353805] ? down_read_killable+0x1d7/0x4e0 [ 50.354373] ? __pfx_setup_net+0x10/0x10 [ 50.354912] ? copy_net_ns+0x17c/0x770 [ 50.355426] copy_net_ns+0x321/0x770 [ 50.355938] create_new_namespaces+0x3f6/0xb30 [ 50.356543] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.357187] ksys_unshare+0x44d/0x8e0 [ 50.357674] ? __pfx_ksys_unshare+0x10/0x10 [ 50.358250] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.358988] __x64_sys_unshare+0x31/0x40 [ 50.359503] do_syscall_64+0x3f/0x90 [ 50.360003] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.360672] RIP: 0033:0x7f2044d090d7 [ 50.361168] 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 [ 50.363320] RSP: 002b:00007ffebaeacd08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.364287] RAX: ffffffffffffffda RBX: 00007ffebaead348 RCX: 00007f2044d090d7 [ 50.365182] RDX: 00007f2044d7341f RSI: 00007ffebaeacca0 RDI: 0000000040000000 [ 50.366060] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffebaeacab0 [ 50.366943] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2044e1bbf0 [ 50.367821] R13: 00007ffebaeacde0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.368748] [ 50.369054] irq event stamp: 12715 [ 50.369479] hardirqs last enabled at (12725): [] __up_console_sem+0x78/0x80 [ 50.370548] hardirqs last disabled at (12736): [] __up_console_sem+0x5d/0x80 [ 50.371601] softirqs last enabled at (12622): [] irq_exit_rcu+0x93/0xc0 [ 50.372652] softirqs last disabled at (12617): [] irq_exit_rcu+0x93/0xc0 [ 50.373699] ---[ end trace 0000000000000000 ]--- [ 51.943366] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 53.990759] Bluetooth: hci0: command 0x041b tx timeout [ 56.038770] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.086746] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:56:16 Registers: info registers vcpu 0 RAX=0000000000024c79 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=00000202 [-------] 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=00007f10cd320c60 CR3=000000000ecf6000 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=9ddef01412d4658aa04a151612009d9a XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=f4c801e4660812d9000000000013b990 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=8468ab3c671667d000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880180cf5f0 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 0000555555955400 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=00007fa267b286f4 CR3=00000000095ca000 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