syzkaller login: [ 30.415731] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:1871' (ECDSA) to the list of known hosts. 2023/05/18 01:05:15 fuzzer started 2023/05/18 01:05:16 dialing manager at localhost:44319 2023/05/18 01:05:16 checking machine... 2023/05/18 01:05:16 checking revisions... [ 35.381153] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:05:16 testing simple program... [ 35.455092] cgroup: Unknown subsys name 'net' [ 35.543444] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 47.816534] audit: type=1400 audit(1684371928.781:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 48.962685] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 48.964576] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 48.966291] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 48.969126] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 48.970687] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 48.972075] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.395650] ------------[ cut here ]------------ [ 49.396526] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.398645] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.400095] Modules linked in: [ 49.400657] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.405722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.407048] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.407778] 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 [ 49.410474] RSP: 0018:ffff88801a2e7c00 EFLAGS: 00010282 [ 49.411251] RAX: 0000000000000000 RBX: ffff88800f760440 RCX: 0000000000000000 [ 49.412268] RDX: ffff888019f00000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.413292] RBP: ffff88800f760454 R08: 0000000000000001 R09: 0000000000000000 [ 49.414296] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.415303] R13: ffffffff84e23fe0 R14: ffff88800f760448 R15: ffffffff84d74dc0 [ 49.416313] FS: 0000555556845400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.417435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.418266] CR2: 00007f55ad1c06f4 CR3: 0000000019fc2000 CR4: 0000000000350ee0 [ 49.419278] Call Trace: [ 49.419644] [ 49.420015] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.420736] ipv4_frags_init_net+0x269/0x440 [ 49.421403] ops_init+0xbb/0x6b0 [ 49.421934] setup_net+0x3d9/0x990 [ 49.422451] ? down_read_killable+0x1d7/0x4e0 [ 49.423123] ? __pfx_setup_net+0x10/0x10 [ 49.423702] ? copy_net_ns+0x17c/0x770 [ 49.424316] copy_net_ns+0x321/0x770 [ 49.424898] create_new_namespaces+0x3f6/0xb30 [ 49.425556] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.426284] ksys_unshare+0x44d/0x8e0 [ 49.426872] ? __pfx_ksys_unshare+0x10/0x10 [ 49.427489] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.428360] __x64_sys_unshare+0x31/0x40 [ 49.428975] do_syscall_64+0x3f/0x90 [ 49.429515] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.430287] RIP: 0033:0x7fa3024a60d7 [ 49.430811] 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 [ 49.433295] RSP: 002b:00007ffd2169f6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.434358] RAX: ffffffffffffffda RBX: 00007ffd2169fcf8 RCX: 00007fa3024a60d7 [ 49.435357] RDX: 00007fa30251041f RSI: 00007ffd2169f650 RDI: 0000000040000000 [ 49.436367] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2169f460 [ 49.437369] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa3025b8bf0 [ 49.438374] R13: 00007ffd2169f790 R14: 0000000000000000 R15: 00000000000000f8 [ 49.439394] [ 49.439734] irq event stamp: 8509 [ 49.440262] hardirqs last enabled at (8521): [] __up_console_sem+0x78/0x80 [ 49.441443] hardirqs last disabled at (8532): [] __up_console_sem+0x5d/0x80 [ 49.442629] softirqs last enabled at (8076): [] irq_exit_rcu+0x93/0xc0 [ 49.443778] softirqs last disabled at (8059): [] irq_exit_rcu+0x93/0xc0 [ 49.444967] ---[ end trace 0000000000000000 ]--- [ 49.450588] ------------[ cut here ]------------ [ 49.451285] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.453151] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.454351] Modules linked in: [ 49.454804] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.456142] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.457302] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.458068] 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 [ 49.460566] RSP: 0018:ffff88801a2e7c00 EFLAGS: 00010282 [ 49.461336] RAX: 0000000000000000 RBX: ffff88800d67f440 RCX: 0000000000000000 [ 49.462350] RDX: ffff888019f00000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.463352] RBP: ffff88800d67f454 R08: 0000000000000001 R09: 0000000000000000 [ 49.464367] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.465363] R13: ffffffff84e23fe0 R14: ffff88800d67f448 R15: ffffffff84da7d60 [ 49.466370] FS: 0000555556845400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.467504] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.468358] CR2: 00007f55ad1c06f4 CR3: 0000000019fc2000 CR4: 0000000000350ee0 [ 49.469363] Call Trace: [ 49.469730] [ 49.470099] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.470803] ipv6_frags_init_net+0x206/0x3c0 [ 49.471468] ops_init+0xbb/0x6b0 [ 49.472003] setup_net+0x3d9/0x990 [ 49.472537] ? down_read_killable+0x1d7/0x4e0 [ 49.473215] ? __pfx_setup_net+0x10/0x10 [ 49.473798] ? copy_net_ns+0x17c/0x770 [ 49.474405] copy_net_ns+0x321/0x770 [ 49.474985] create_new_namespaces+0x3f6/0xb30 [ 49.475648] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.476386] ksys_unshare+0x44d/0x8e0 [ 49.476973] ? __pfx_ksys_unshare+0x10/0x10 [ 49.477596] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.478456] __x64_sys_unshare+0x31/0x40 [ 49.479075] do_syscall_64+0x3f/0x90 [ 49.479620] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.480403] RIP: 0033:0x7fa3024a60d7 [ 49.480969] 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 [ 49.483440] RSP: 002b:00007ffd2169f6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.484529] RAX: ffffffffffffffda RBX: 00007ffd2169fcf8 RCX: 00007fa3024a60d7 [ 49.485528] RDX: 00007fa30251041f RSI: 00007ffd2169f650 RDI: 0000000040000000 [ 49.486517] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2169f460 [ 49.487517] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa3025b8bf0 [ 49.488525] R13: 00007ffd2169f790 R14: 0000000000000000 R15: 00000000000000f8 [ 49.489572] [ 49.489940] irq event stamp: 10181 [ 49.490433] hardirqs last enabled at (10191): [] __up_console_sem+0x78/0x80 [ 49.491635] hardirqs last disabled at (10202): [] __up_console_sem+0x5d/0x80 [ 49.492887] softirqs last enabled at (9672): [] irq_exit_rcu+0x93/0xc0 [ 49.494070] softirqs last disabled at (9667): [] irq_exit_rcu+0x93/0xc0 [ 49.495242] ---[ end trace 0000000000000000 ]--- [ 49.496738] ------------[ cut here ]------------ [ 49.497440] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.499548] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.500779] Modules linked in: [ 49.501273] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.502585] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.503743] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.504510] 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 [ 49.507027] RSP: 0018:ffff88801a2e7bf0 EFLAGS: 00010286 [ 49.507764] RAX: 0000000000000000 RBX: ffff88800d67fe40 RCX: 0000000000000000 [ 49.508837] RDX: ffff888019f00000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.509802] RBP: ffff88800d67fe54 R08: 0000000000000001 R09: 0000000000000000 [ 49.510811] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.511803] R13: ffffffff84e23fe0 R14: ffff88800d67fe48 R15: ffffffff84db0aa0 [ 49.512877] FS: 0000555556845400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.514003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.514806] CR2: 00007f55ad1c06f4 CR3: 0000000019fc2000 CR4: 0000000000350ee0 [ 49.515813] Call Trace: [ 49.516243] [ 49.516590] nf_ct_net_init+0x224/0x3d0 [ 49.517213] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.517896] ops_init+0xbb/0x6b0 [ 49.518407] setup_net+0x3d9/0x990 [ 49.518966] ? down_read_killable+0x1d7/0x4e0 [ 49.519609] ? __pfx_setup_net+0x10/0x10 [ 49.520229] ? copy_net_ns+0x17c/0x770 [ 49.520805] copy_net_ns+0x321/0x770 [ 49.521395] create_new_namespaces+0x3f6/0xb30 [ 49.522093] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.522786] ksys_unshare+0x44d/0x8e0 [ 49.523371] ? __pfx_ksys_unshare+0x10/0x10 [ 49.524018] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.524864] __x64_sys_unshare+0x31/0x40 [ 49.525446] do_syscall_64+0x3f/0x90 [ 49.526021] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.526742] RIP: 0033:0x7fa3024a60d7 [ 49.527313] 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 [ 49.529810] RSP: 002b:00007ffd2169f6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.530930] RAX: ffffffffffffffda RBX: 00007ffd2169fcf8 RCX: 00007fa3024a60d7 [ 49.531935] RDX: 00007fa30251041f RSI: 00007ffd2169f650 RDI: 0000000040000000 [ 49.532957] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2169f460 [ 49.533968] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa3025b8bf0 [ 49.534979] R13: 00007ffd2169f790 R14: 0000000000000000 R15: 00000000000000f8 [ 49.535997] [ 49.536357] irq event stamp: 10945 [ 49.536887] hardirqs last enabled at (10957): [] __up_console_sem+0x78/0x80 [ 49.538115] hardirqs last disabled at (10968): [] __up_console_sem+0x5d/0x80 [ 49.539328] softirqs last enabled at (10632): [] irq_exit_rcu+0x93/0xc0 [ 49.540515] softirqs last disabled at (10627): [] irq_exit_rcu+0x93/0xc0 [ 49.541700] ---[ end trace 0000000000000000 ]--- executing program [ 51.041910] Bluetooth: hci0: command 0x0409 tx timeout [ 53.089139] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.138609] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.185037] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:05:29 Registers: info registers vcpu 0 RAX=000000000002060d 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=00007f26ccc124a0 CR3=000000000efe0000 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=2030333a35303a31302038312079614d XMM01=5d3539303030342e39342020205b203a XMM02=646f4d205d3539303030342e39342020 XMM03=6b7a79732030333a35303a3130203831 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3534363839332e39342020205b XMM07=79732030333a35303a31302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000073 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801a2e75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000073 R11=0000000000000001 R12=0000000000000073 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 0000555556845400 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=00007f55ad1c06f4 CR3=0000000019fc2000 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