syzkaller login: [ 61.277270] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:45454' (ECDSA) to the list of known hosts. 2023/05/17 06:12:54 fuzzer started 2023/05/17 06:12:54 dialing manager at localhost:35573 2023/05/17 06:12:54 checking machine... 2023/05/17 06:12:54 checking revisions... [ 62.493370] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:12:54 testing simple program... [ 62.564324] cgroup: Unknown subsys name 'net' [ 62.632832] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 75.437173] audit: type=1400 audit(1684303987.852:6): 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 [ 76.542917] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 76.544711] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 76.547531] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 76.551996] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 76.554199] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 76.555781] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 76.938575] ------------[ cut here ]------------ [ 76.939332] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 76.941182] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.942340] Modules linked in: [ 76.942774] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 76.947303] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.948687] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.949403] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 76.951775] RSP: 0018:ffff88801460fc00 EFLAGS: 00010282 [ 76.952527] RAX: 0000000000000000 RBX: ffff88800df8e040 RCX: 0000000000000000 [ 76.953483] RDX: ffff88800d6e3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 76.954442] RBP: ffff88800df8e054 R08: 0000000000000001 R09: 0000000000000000 [ 76.955401] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 76.956358] R13: ffffffff84e223a0 R14: ffff88800df8e048 R15: ffffffff84d73340 [ 76.957309] FS: 000055555684f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 76.958408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.959200] CR2: 00007f71ec11d6f4 CR3: 00000000205b0000 CR4: 0000000000350ef0 [ 76.960159] Call Trace: [ 76.960509] [ 76.960828] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 76.961528] ipv4_frags_init_net+0x269/0x440 [ 76.962168] ops_init+0xbb/0x6b0 [ 76.962644] setup_net+0x3d9/0x990 [ 76.963188] ? down_read_killable+0x1d7/0x4e0 [ 76.963791] ? __pfx_setup_net+0x10/0x10 [ 76.964366] ? copy_net_ns+0x17c/0x770 [ 76.964945] copy_net_ns+0x321/0x770 [ 76.965460] create_new_namespaces+0x3f6/0xb30 [ 76.966155] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.966876] ksys_unshare+0x44d/0x8e0 [ 76.967393] ? __pfx_ksys_unshare+0x10/0x10 [ 76.968021] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.968771] __x64_sys_unshare+0x31/0x40 [ 76.969361] do_syscall_64+0x3f/0x90 [ 76.969912] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.970597] RIP: 0033:0x7f976d47d0d7 [ 76.971135] 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 [ 76.973445] RSP: 002b:00007ffe532d3d38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 76.974504] RAX: ffffffffffffffda RBX: 00007ffe532d4378 RCX: 00007f976d47d0d7 [ 76.975448] RDX: 00007f976d4e741f RSI: 00007ffe532d3cd0 RDI: 0000000040000000 [ 76.976400] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe532d3ae0 [ 76.977355] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f976d58fbf0 [ 76.978329] R13: 00007ffe532d3e10 R14: 0000000000000000 R15: 00000000000000f8 [ 76.979344] [ 76.979664] irq event stamp: 8937 [ 76.980160] hardirqs last enabled at (8949): [] __up_console_sem+0x78/0x80 [ 76.981299] hardirqs last disabled at (8960): [] __up_console_sem+0x5d/0x80 [ 76.982468] softirqs last enabled at (8862): [] irq_exit_rcu+0x93/0xc0 [ 76.983566] softirqs last disabled at (8853): [] irq_exit_rcu+0x93/0xc0 [ 76.984690] ---[ end trace 0000000000000000 ]--- [ 76.992297] ------------[ cut here ]------------ [ 76.992979] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 76.994703] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.995899] Modules linked in: [ 76.996314] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 76.997470] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.998606] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.999334] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 77.001669] RSP: 0018:ffff88801460fc00 EFLAGS: 00010282 [ 77.002447] RAX: 0000000000000000 RBX: ffff88800caa4040 RCX: 0000000000000000 [ 77.003412] RDX: ffff88800d6e3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 77.004401] RBP: ffff88800caa4054 R08: 0000000000000001 R09: 0000000000000000 [ 77.005359] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 77.006360] R13: ffffffff84e223a0 R14: ffff88800caa4048 R15: ffffffff84da62e0 [ 77.007329] FS: 000055555684f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 77.008391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.009187] CR2: 00007f71ec11d6f4 CR3: 00000000205b0000 CR4: 0000000000350ef0 [ 77.010152] Call Trace: [ 77.010496] [ 77.010805] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 77.011488] ipv6_frags_init_net+0x206/0x3c0 [ 77.012101] ops_init+0xbb/0x6b0 [ 77.012573] setup_net+0x3d9/0x990 [ 77.013090] ? down_read_killable+0x1d7/0x4e0 [ 77.013699] ? __pfx_setup_net+0x10/0x10 [ 77.014317] ? copy_net_ns+0x17c/0x770 [ 77.014900] copy_net_ns+0x321/0x770 [ 77.015413] create_new_namespaces+0x3f6/0xb30 [ 77.016077] unshare_nsproxy_namespaces+0xc1/0x200 [ 77.016724] ksys_unshare+0x44d/0x8e0 [ 77.017284] ? __pfx_ksys_unshare+0x10/0x10 [ 77.017965] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 77.018975] __x64_sys_unshare+0x31/0x40 [ 77.019617] do_syscall_64+0x3f/0x90 [ 77.020235] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 77.021054] RIP: 0033:0x7f976d47d0d7 [ 77.021622] 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 [ 77.024314] RSP: 002b:00007ffe532d3d38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 77.025486] RAX: ffffffffffffffda RBX: 00007ffe532d4378 RCX: 00007f976d47d0d7 [ 77.026594] RDX: 00007f976d4e741f RSI: 00007ffe532d3cd0 RDI: 0000000040000000 [ 77.027682] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe532d3ae0 [ 77.028766] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f976d58fbf0 [ 77.029857] R13: 00007ffe532d3e10 R14: 0000000000000000 R15: 00000000000000f8 [ 77.031004] [ 77.031373] irq event stamp: 11053 [ 77.031942] hardirqs last enabled at (11065): [] __up_console_sem+0x78/0x80 [ 77.033244] hardirqs last disabled at (11076): [] __up_console_sem+0x5d/0x80 [ 77.034589] softirqs last enabled at (10556): [] irq_exit_rcu+0x93/0xc0 [ 77.035672] softirqs last disabled at (10551): [] irq_exit_rcu+0x93/0xc0 [ 77.036701] ---[ end trace 0000000000000000 ]--- [ 77.038155] ------------[ cut here ]------------ [ 77.038730] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 77.040626] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 77.041683] Modules linked in: [ 77.042122] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 77.043280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 77.044289] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 77.044955] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 77.047142] RSP: 0018:ffff88801460fbf0 EFLAGS: 00010286 [ 77.047787] RAX: 0000000000000000 RBX: ffff88800e225c40 RCX: 0000000000000000 [ 77.048669] RDX: ffff88800d6e3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 77.049557] RBP: ffff88800e225c54 R08: 0000000000000001 R09: 0000000000000000 [ 77.050454] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 77.051340] R13: ffffffff84e223a0 R14: ffff88800e225c48 R15: ffffffff84daf020 [ 77.052214] FS: 000055555684f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 77.053196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.053942] CR2: 00007f71ec11d6f4 CR3: 00000000205b0000 CR4: 0000000000350ef0 [ 77.054792] Call Trace: [ 77.055152] [ 77.055450] nf_ct_net_init+0x224/0x3d0 [ 77.055990] ? __pfx_nf_ct_net_init+0x10/0x10 [ 77.056558] ops_init+0xbb/0x6b0 [ 77.057031] setup_net+0x3d9/0x990 [ 77.057480] ? down_read_killable+0x1d7/0x4e0 [ 77.058095] ? __pfx_setup_net+0x10/0x10 [ 77.058598] ? copy_net_ns+0x17c/0x770 [ 77.059140] copy_net_ns+0x321/0x770 [ 77.059621] create_new_namespaces+0x3f6/0xb30 [ 77.060228] unshare_nsproxy_namespaces+0xc1/0x200 [ 77.060864] ksys_unshare+0x44d/0x8e0 [ 77.061355] ? __pfx_ksys_unshare+0x10/0x10 [ 77.061931] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 77.062637] __x64_sys_unshare+0x31/0x40 [ 77.063186] do_syscall_64+0x3f/0x90 [ 77.063654] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 77.064325] RIP: 0033:0x7f976d47d0d7 [ 77.064792] 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 [ 77.066977] RSP: 002b:00007ffe532d3d38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 77.067915] RAX: ffffffffffffffda RBX: 00007ffe532d4378 RCX: 00007f976d47d0d7 [ 77.068771] RDX: 00007f976d4e741f RSI: 00007ffe532d3cd0 RDI: 0000000040000000 [ 77.069653] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe532d3ae0 [ 77.070540] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f976d58fbf0 [ 77.071410] R13: 00007ffe532d3e10 R14: 0000000000000000 R15: 00000000000000f8 [ 77.072315] [ 77.072611] irq event stamp: 11867 [ 77.073071] hardirqs last enabled at (11879): [] __up_console_sem+0x78/0x80 [ 77.074179] hardirqs last disabled at (11890): [] __up_console_sem+0x5d/0x80 [ 77.075259] softirqs last enabled at (11654): [] irq_exit_rcu+0x93/0xc0 [ 77.076285] softirqs last disabled at (11649): [] irq_exit_rcu+0x93/0xc0 [ 77.077337] ---[ end trace 0000000000000000 ]--- executing program [ 78.630509] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 80.677982] Bluetooth: hci0: command 0x041b tx timeout [ 82.725961] Bluetooth: hci0: command 0x040f tx timeout executing program [ 84.774002] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:12:42 Registers: info registers vcpu 0 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801460f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 000055555684f400 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=00007f71ec11d6f4 CR3=00000000205b0000 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=0000000000024a85 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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 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=00007f1fc49a1260 CR3=000000000f5cc000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=74203f3d72646461203f3d656d616e00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000