syzkaller login: [ 42.214873] sshd (225) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:50021' (ECDSA) to the list of known hosts. 2023/05/17 19:45:56 fuzzer started 2023/05/17 19:45:56 dialing manager at localhost:44319 2023/05/17 19:45:56 checking machine... 2023/05/17 19:45:56 checking revisions... [ 43.578144] kmemleak: Automatic memory scanning thread ended 2023/05/17 19:45:56 testing simple program... [ 43.653345] cgroup: Unknown subsys name 'net' [ 43.724124] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.402617] audit: type=1400 audit(1684352769.677:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 57.576575] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.578265] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.580142] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.586442] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.589546] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.591077] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 57.979567] ------------[ cut here ]------------ [ 57.980257] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 57.981904] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.983052] Modules linked in: [ 57.983493] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 57.988405] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.989617] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.990453] 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 [ 57.992752] RSP: 0018:ffff88801ef97c00 EFLAGS: 00010282 [ 57.993462] RAX: 0000000000000000 RBX: ffff88800fac1840 RCX: 0000000000000000 [ 57.994384] RDX: ffff88800f8d3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 57.995306] RBP: ffff88800fac1854 R08: 0000000000000001 R09: 0000000000000000 [ 57.996230] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.997123] R13: ffffffff84e23fe0 R14: ffff88800fac1848 R15: ffffffff84d74dc0 [ 57.998062] FS: 000055555713d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.999134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.999904] CR2: 00007f4b41c786f4 CR3: 000000001f9d0000 CR4: 0000000000350ef0 [ 58.000829] Call Trace: [ 58.001168] [ 58.001518] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.002153] ipv4_frags_init_net+0x269/0x440 [ 58.002778] ops_init+0xbb/0x6b0 [ 58.003276] setup_net+0x3d9/0x990 [ 58.003755] ? down_read_killable+0x1d7/0x4e0 [ 58.004375] ? __pfx_setup_net+0x10/0x10 [ 58.004906] ? copy_net_ns+0x17c/0x770 [ 58.005459] copy_net_ns+0x321/0x770 [ 58.005960] create_new_namespaces+0x3f6/0xb30 [ 58.006619] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.007287] ksys_unshare+0x44d/0x8e0 [ 58.007791] ? __pfx_ksys_unshare+0x10/0x10 [ 58.008385] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.009125] __x64_sys_unshare+0x31/0x40 [ 58.009688] do_syscall_64+0x3f/0x90 [ 58.010214] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.010900] RIP: 0033:0x7eff8de4b0d7 [ 58.011412] 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 [ 58.013646] RSP: 002b:00007ffe49f83408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.014632] RAX: ffffffffffffffda RBX: 00007ffe49f83a48 RCX: 00007eff8de4b0d7 [ 58.015548] RDX: 00007eff8deb541f RSI: 00007ffe49f833a0 RDI: 0000000040000000 [ 58.016467] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe49f831b0 [ 58.017381] R10: 0000000000000000 R11: 0000000000000202 R12: 00007eff8df5dbf0 [ 58.018305] R13: 00007ffe49f834e0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.019262] [ 58.019578] irq event stamp: 8529 [ 58.020009] hardirqs last enabled at (8539): [] __up_console_sem+0x78/0x80 [ 58.021099] hardirqs last disabled at (8550): [] __up_console_sem+0x5d/0x80 [ 58.022205] softirqs last enabled at (8100): [] irq_exit_rcu+0x93/0xc0 [ 58.023282] softirqs last disabled at (8085): [] irq_exit_rcu+0x93/0xc0 [ 58.024350] ---[ end trace 0000000000000000 ]--- [ 58.029781] ------------[ cut here ]------------ [ 58.030431] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.032095] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.033208] Modules linked in: [ 58.033624] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.034833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.035877] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.036576] 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 [ 58.038843] RSP: 0018:ffff88801ef97c00 EFLAGS: 00010282 [ 58.039556] RAX: 0000000000000000 RBX: ffff88800d5c4840 RCX: 0000000000000000 [ 58.040467] RDX: ffff88800f8d3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.041380] RBP: ffff88800d5c4854 R08: 0000000000000001 R09: 0000000000000000 [ 58.042306] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.043227] R13: ffffffff84e23fe0 R14: ffff88800d5c4848 R15: ffffffff84da7d60 [ 58.044105] FS: 000055555713d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.045129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.045884] CR2: 00007f4b41c786f4 CR3: 000000001f9d0000 CR4: 0000000000350ef0 [ 58.046827] Call Trace: [ 58.047165] [ 58.047494] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.048107] ipv6_frags_init_net+0x206/0x3c0 [ 58.048699] ops_init+0xbb/0x6b0 [ 58.049147] setup_net+0x3d9/0x990 [ 58.049639] ? down_read_killable+0x1d7/0x4e0 [ 58.050240] ? __pfx_setup_net+0x10/0x10 [ 58.050786] ? copy_net_ns+0x17c/0x770 [ 58.051337] copy_net_ns+0x321/0x770 [ 58.051825] create_new_namespaces+0x3f6/0xb30 [ 58.052453] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.053072] ksys_unshare+0x44d/0x8e0 [ 58.053586] ? __pfx_ksys_unshare+0x10/0x10 [ 58.054134] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.054894] __x64_sys_unshare+0x31/0x40 [ 58.055463] do_syscall_64+0x3f/0x90 [ 58.055943] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.056614] RIP: 0033:0x7eff8de4b0d7 [ 58.057078] 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 [ 58.059271] RSP: 002b:00007ffe49f83408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.060212] RAX: ffffffffffffffda RBX: 00007ffe49f83a48 RCX: 00007eff8de4b0d7 [ 58.061063] RDX: 00007eff8deb541f RSI: 00007ffe49f833a0 RDI: 0000000040000000 [ 58.061953] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe49f831b0 [ 58.062841] R10: 0000000000000000 R11: 0000000000000202 R12: 00007eff8df5dbf0 [ 58.063726] R13: 00007ffe49f834e0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.064644] [ 58.064943] irq event stamp: 10397 [ 58.065401] hardirqs last enabled at (10409): [] __up_console_sem+0x78/0x80 [ 58.066470] hardirqs last disabled at (10420): [] __up_console_sem+0x5d/0x80 [ 58.067545] softirqs last enabled at (9972): [] irq_exit_rcu+0x93/0xc0 [ 58.068571] softirqs last disabled at (9967): [] irq_exit_rcu+0x93/0xc0 [ 58.069596] ---[ end trace 0000000000000000 ]--- [ 58.070946] ------------[ cut here ]------------ [ 58.071560] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.073497] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.074575] Modules linked in: [ 58.074977] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.076124] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.077121] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.077802] 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 [ 58.079963] RSP: 0018:ffff88801ef97bf0 EFLAGS: 00010286 [ 58.080656] RAX: 0000000000000000 RBX: ffff88800d5c4e40 RCX: 0000000000000000 [ 58.081548] RDX: ffff88800f8d3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.082454] RBP: ffff88800d5c4e54 R08: 0000000000000001 R09: 0000000000000000 [ 58.083353] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.084236] R13: ffffffff84e23fe0 R14: ffff88800d5c4e48 R15: ffffffff84db0aa0 [ 58.085093] FS: 000055555713d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.086093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.086834] CR2: 00007f4b41c786f4 CR3: 000000001f9d0000 CR4: 0000000000350ef0 [ 58.087718] Call Trace: [ 58.088045] [ 58.088376] nf_ct_net_init+0x224/0x3d0 [ 58.088889] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.089504] ops_init+0xbb/0x6b0 [ 58.089951] setup_net+0x3d9/0x990 [ 58.090441] ? down_read_killable+0x1d7/0x4e0 [ 58.091012] ? __pfx_setup_net+0x10/0x10 [ 58.091552] ? copy_net_ns+0x17c/0x770 [ 58.092062] copy_net_ns+0x321/0x770 [ 58.092578] create_new_namespaces+0x3f6/0xb30 [ 58.093168] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.093807] ksys_unshare+0x44d/0x8e0 [ 58.094344] ? __pfx_ksys_unshare+0x10/0x10 [ 58.094887] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.095629] __x64_sys_unshare+0x31/0x40 [ 58.096157] do_syscall_64+0x3f/0x90 [ 58.096663] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.097337] RIP: 0033:0x7eff8de4b0d7 [ 58.097797] 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 [ 58.099949] RSP: 002b:00007ffe49f83408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.100904] RAX: ffffffffffffffda RBX: 00007ffe49f83a48 RCX: 00007eff8de4b0d7 [ 58.101802] RDX: 00007eff8deb541f RSI: 00007ffe49f833a0 RDI: 0000000040000000 [ 58.102694] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe49f831b0 [ 58.103593] R10: 0000000000000000 R11: 0000000000000202 R12: 00007eff8df5dbf0 [ 58.104477] R13: 00007ffe49f834e0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.105383] [ 58.105691] irq event stamp: 11223 [ 58.106128] hardirqs last enabled at (11233): [] __up_console_sem+0x78/0x80 [ 58.107220] hardirqs last disabled at (11244): [] __up_console_sem+0x5d/0x80 [ 58.108307] softirqs last enabled at (11160): [] irq_exit_rcu+0x93/0xc0 [ 58.109365] softirqs last disabled at (11155): [] irq_exit_rcu+0x93/0xc0 [ 58.110421] ---[ end trace 0000000000000000 ]--- executing program [ 59.663808] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 61.710260] Bluetooth: hci0: command 0x041b tx timeout [ 63.758383] Bluetooth: hci0: command 0x040f tx timeout executing program [ 65.806255] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:46:09 Registers: info registers vcpu 0 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801ef975f0 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 000055555713d400 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=00007f4b41c786f4 CR3=000000001f9d0000 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=0000000000036fb1 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=00007f2374038078 CR3=00000000069e8000 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=2031313a36343a39312037312079614d XMM01=5d3235303338392e37352020205b203a XMM02=646f4d205d3235303338392e37352020 XMM03=6b7a79732031313a36343a3931203731 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3430393138392e37352020205b XMM07=79732031313a36343a39312037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000