syzkaller login: [ 32.133082] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:38766' (ECDSA) to the list of known hosts. 2023/05/18 03:15:58 fuzzer started 2023/05/18 03:15:58 dialing manager at localhost:44319 2023/05/18 03:15:58 checking machine... 2023/05/18 03:15:58 checking revisions... [ 36.855405] kmemleak: Automatic memory scanning thread ended 2023/05/18 03:15:58 testing simple program... [ 36.929773] cgroup: Unknown subsys name 'net' [ 37.005676] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.433185] audit: type=1400 audit(1684379771.239:6): 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 [ 50.542987] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.546127] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.548438] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.551860] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.554626] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.555707] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.946075] ------------[ cut here ]------------ [ 50.947098] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.949012] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.950272] Modules linked in: [ 50.950758] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.955615] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.956654] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.957328] 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 [ 50.959504] RSP: 0018:ffff88801f307c00 EFLAGS: 00010282 [ 50.960154] RAX: 0000000000000000 RBX: ffff88801607a840 RCX: 0000000000000000 [ 50.961069] RDX: ffff888015a81b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.961985] RBP: ffff88801607a854 R08: 0000000000000001 R09: 0000000000000000 [ 50.962919] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.963826] R13: ffffffff84e23fe0 R14: ffff88801607a848 R15: ffffffff84d74dc0 [ 50.964774] FS: 0000555556459400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.965794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.966566] CR2: 00007f741b6b06f4 CR3: 000000000e826000 CR4: 0000000000350ef0 [ 50.967482] Call Trace: [ 50.967816] [ 50.968119] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.968789] ipv4_frags_init_net+0x269/0x440 [ 50.969400] ops_init+0xbb/0x6b0 [ 50.969865] setup_net+0x3d9/0x990 [ 50.970363] ? down_read_killable+0x1d7/0x4e0 [ 50.970949] ? __pfx_setup_net+0x10/0x10 [ 50.971510] ? copy_net_ns+0x17c/0x770 [ 50.972037] copy_net_ns+0x321/0x770 [ 50.972578] create_new_namespaces+0x3f6/0xb30 [ 50.973175] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.973836] ksys_unshare+0x44d/0x8e0 [ 50.974364] ? __pfx_ksys_unshare+0x10/0x10 [ 50.974917] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.975680] __x64_sys_unshare+0x31/0x40 [ 50.976215] do_syscall_64+0x3f/0x90 [ 50.976749] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.977442] RIP: 0033:0x7fa4513d20d7 [ 50.977921] 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 [ 50.980151] RSP: 002b:00007ffebea486d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.981131] RAX: ffffffffffffffda RBX: 00007ffebea48d18 RCX: 00007fa4513d20d7 [ 50.982051] RDX: 00007fa45143c41f RSI: 00007ffebea48670 RDI: 0000000040000000 [ 50.982965] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffebea48480 [ 50.983880] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa4514e4bf0 [ 50.984818] R13: 00007ffebea487b0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.985765] [ 50.986079] irq event stamp: 8583 [ 50.986551] hardirqs last enabled at (8595): [] __up_console_sem+0x78/0x80 [ 50.987646] hardirqs last disabled at (8606): [] __up_console_sem+0x5d/0x80 [ 50.988752] softirqs last enabled at (8066): [] irq_exit_rcu+0x93/0xc0 [ 50.989825] softirqs last disabled at (7967): [] irq_exit_rcu+0x93/0xc0 [ 50.990885] ---[ end trace 0000000000000000 ]--- [ 50.996049] ------------[ cut here ]------------ [ 50.996697] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.998411] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.999519] Modules linked in: [ 50.999935] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.001141] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.002186] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.002891] 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 [ 51.005172] RSP: 0018:ffff88801f307c00 EFLAGS: 00010282 [ 51.005884] RAX: 0000000000000000 RBX: ffff88800e286440 RCX: 0000000000000000 [ 51.006803] RDX: ffff888015a81b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.007720] RBP: ffff88800e286454 R08: 0000000000000001 R09: 0000000000000000 [ 51.008655] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.009576] R13: ffffffff84e23fe0 R14: ffff88800e286448 R15: ffffffff84da7d60 [ 51.010500] FS: 0000555556459400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.011539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.012307] CR2: 00007f741b6b06f4 CR3: 000000000e826000 CR4: 0000000000350ef0 [ 51.013200] Call Trace: [ 51.013562] [ 51.013872] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.014542] ipv6_frags_init_net+0x206/0x3c0 [ 51.015125] ops_init+0xbb/0x6b0 [ 51.015619] setup_net+0x3d9/0x990 [ 51.016091] ? down_read_killable+0x1d7/0x4e0 [ 51.016722] ? __pfx_setup_net+0x10/0x10 [ 51.017281] ? copy_net_ns+0x17c/0x770 [ 51.017809] copy_net_ns+0x321/0x770 [ 51.018346] create_new_namespaces+0x3f6/0xb30 [ 51.018953] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.019635] ksys_unshare+0x44d/0x8e0 [ 51.020139] ? __pfx_ksys_unshare+0x10/0x10 [ 51.020753] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.021524] __x64_sys_unshare+0x31/0x40 [ 51.022060] do_syscall_64+0x3f/0x90 [ 51.022567] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.023220] RIP: 0033:0x7fa4513d20d7 [ 51.023719] 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 [ 51.025873] RSP: 002b:00007ffebea486d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.026813] RAX: ffffffffffffffda RBX: 00007ffebea48d18 RCX: 00007fa4513d20d7 [ 51.027711] RDX: 00007fa45143c41f RSI: 00007ffebea48670 RDI: 0000000040000000 [ 51.028603] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffebea48480 [ 51.029495] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa4514e4bf0 [ 51.030377] R13: 00007ffebea487b0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.031282] [ 51.031585] irq event stamp: 10295 [ 51.032018] hardirqs last enabled at (10305): [] __up_console_sem+0x78/0x80 [ 51.033102] hardirqs last disabled at (10316): [] __up_console_sem+0x5d/0x80 [ 51.034163] softirqs last enabled at (9830): [] irq_exit_rcu+0x93/0xc0 [ 51.035174] softirqs last disabled at (9825): [] irq_exit_rcu+0x93/0xc0 [ 51.036191] ---[ end trace 0000000000000000 ]--- [ 51.037596] ------------[ cut here ]------------ [ 51.038174] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.040085] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.041173] Modules linked in: [ 51.041611] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.042756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.043760] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.044434] 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 [ 51.046609] RSP: 0018:ffff88801f307bf0 EFLAGS: 00010286 [ 51.047281] RAX: 0000000000000000 RBX: ffff88800e903640 RCX: 0000000000000000 [ 51.048124] RDX: ffff888015a81b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.049026] RBP: ffff88800e903654 R08: 0000000000000001 R09: 0000000000000000 [ 51.049904] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.050782] R13: ffffffff84e23fe0 R14: ffff88800e903648 R15: ffffffff84db0aa0 [ 51.051665] FS: 0000555556459400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.052666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.053404] CR2: 00007f741b6b06f4 CR3: 000000000e826000 CR4: 0000000000350ef0 [ 51.054292] Call Trace: [ 51.054616] [ 51.054911] nf_ct_net_init+0x224/0x3d0 [ 51.055454] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.056035] ops_init+0xbb/0x6b0 [ 51.056534] setup_net+0x3d9/0x990 [ 51.056989] ? down_read_killable+0x1d7/0x4e0 [ 51.057583] ? __pfx_setup_net+0x10/0x10 [ 51.058096] ? copy_net_ns+0x17c/0x770 [ 51.058635] copy_net_ns+0x321/0x770 [ 51.059131] create_new_namespaces+0x3f6/0xb30 [ 51.059743] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.060384] ksys_unshare+0x44d/0x8e0 [ 51.060875] ? __pfx_ksys_unshare+0x10/0x10 [ 51.061443] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.062149] __x64_sys_unshare+0x31/0x40 [ 51.062698] do_syscall_64+0x3f/0x90 [ 51.063170] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.063845] RIP: 0033:0x7fa4513d20d7 [ 51.064339] 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 [ 51.066515] RSP: 002b:00007ffebea486d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.067463] RAX: ffffffffffffffda RBX: 00007ffebea48d18 RCX: 00007fa4513d20d7 [ 51.068343] RDX: 00007fa45143c41f RSI: 00007ffebea48670 RDI: 0000000040000000 [ 51.069218] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffebea48480 [ 51.070095] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa4514e4bf0 [ 51.070976] R13: 00007ffebea487b0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.071877] [ 51.072174] irq event stamp: 11143 [ 51.072665] hardirqs last enabled at (11155): [] __up_console_sem+0x78/0x80 [ 51.073768] hardirqs last disabled at (11166): [] __up_console_sem+0x5d/0x80 [ 51.074868] softirqs last enabled at (11052): [] irq_exit_rcu+0x93/0xc0 [ 51.075947] softirqs last disabled at (11043): [] irq_exit_rcu+0x93/0xc0 [ 51.077034] ---[ end trace 0000000000000000 ]--- executing program [ 52.626920] Bluetooth: hci0: command 0x0409 tx timeout [ 54.674612] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.723369] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.770347] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:16:12 Registers: info registers vcpu 0 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f3075f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001 R12=0000000000000069 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 0000555556459400 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=00007f741b6b06f4 CR3=000000000e826000 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=0000000000032ed9 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=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=00007f43663e1d70 CR3=0000000013e62000 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=2032313a36313a33302038312079614d XMM01=5d3835373035392e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000