syzkaller login: [ 34.697585] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:38528' (ECDSA) to the list of known hosts. 2023/05/17 19:54:39 fuzzer started 2023/05/17 19:54:39 dialing manager at localhost:44319 2023/05/17 19:54:39 checking machine... 2023/05/17 19:54:39 checking revisions... [ 39.925650] kmemleak: Automatic memory scanning thread ended 2023/05/17 19:54:40 testing simple program... [ 39.998031] cgroup: Unknown subsys name 'net' [ 40.089350] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.396959] audit: type=1400 audit(1684353293.467:6): 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 [ 54.474531] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.477414] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.478731] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.482041] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.483438] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.485605] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 54.817354] ------------[ cut here ]------------ [ 54.817857] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.819086] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.819895] Modules linked in: [ 54.820212] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.821178] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.825611] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.826217] 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 [ 54.827965] RSP: 0018:ffff88801e48fc00 EFLAGS: 00010282 [ 54.828456] RAX: 0000000000000000 RBX: ffff88800f2b6c40 RCX: 0000000000000000 [ 54.829207] RDX: ffff88800f8d3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.829950] RBP: ffff88800f2b6c54 R08: 0000000000000001 R09: 0000000000000000 [ 54.830590] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.831328] R13: ffffffff84e23fe0 R14: ffff88800f2b6c48 R15: ffffffff84d74dc0 [ 54.832066] FS: 0000555557138400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.832882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.833407] CR2: 00007f31f05c66f4 CR3: 000000000c608000 CR4: 0000000000350ef0 [ 54.834148] Call Trace: [ 54.834389] [ 54.834606] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.835147] ipv4_frags_init_net+0x269/0x440 [ 54.835566] ops_init+0xbb/0x6b0 [ 54.835982] setup_net+0x3d9/0x990 [ 54.836315] ? down_read_killable+0x1d7/0x4e0 [ 54.836735] ? __pfx_setup_net+0x10/0x10 [ 54.837205] ? copy_net_ns+0x17c/0x770 [ 54.837580] copy_net_ns+0x321/0x770 [ 54.838026] create_new_namespaces+0x3f6/0xb30 [ 54.838454] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.838990] ksys_unshare+0x44d/0x8e0 [ 54.839368] ? __pfx_ksys_unshare+0x10/0x10 [ 54.839867] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.840388] __x64_sys_unshare+0x31/0x40 [ 54.840854] do_syscall_64+0x3f/0x90 [ 54.841207] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.841676] RIP: 0033:0x7fbbb0a8d0d7 [ 54.842102] 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 [ 54.843863] RSP: 002b:00007fffc1167748 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.844544] RAX: ffffffffffffffda RBX: 00007fffc1167d88 RCX: 00007fbbb0a8d0d7 [ 54.845258] RDX: 00007fbbb0af741f RSI: 00007fffc11676e0 RDI: 0000000040000000 [ 54.846006] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffc11674f0 [ 54.846630] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbbb0b9fbf0 [ 54.847401] R13: 00007fffc1167820 R14: 0000000000000000 R15: 00000000000000f8 [ 54.848149] [ 54.848372] irq event stamp: 8379 [ 54.848684] hardirqs last enabled at (8389): [] __up_console_sem+0x78/0x80 [ 54.849468] hardirqs last disabled at (8400): [] __up_console_sem+0x5d/0x80 [ 54.850255] softirqs last enabled at (8364): [] irq_exit_rcu+0x93/0xc0 [ 54.850996] softirqs last disabled at (8335): [] irq_exit_rcu+0x93/0xc0 [ 54.851745] ---[ end trace 0000000000000000 ]--- [ 54.855878] ------------[ cut here ]------------ [ 54.856318] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.857694] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.858492] Modules linked in: [ 54.858815] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.859719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.860468] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.860971] 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 [ 54.862628] RSP: 0018:ffff88801e48fc00 EFLAGS: 00010282 [ 54.863127] RAX: 0000000000000000 RBX: ffff888009469440 RCX: 0000000000000000 [ 54.863807] RDX: ffff88800f8d3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.864446] RBP: ffff888009469454 R08: 0000000000000001 R09: 0000000000000000 [ 54.865108] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.865738] R13: ffffffff84e23fe0 R14: ffff888009469448 R15: ffffffff84da7d60 [ 54.866390] FS: 0000555557138400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.867129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.867670] CR2: 00007f31f05c66f4 CR3: 000000000c608000 CR4: 0000000000350ef0 [ 54.868314] Call Trace: [ 54.868549] [ 54.868786] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.869231] ipv6_frags_init_net+0x206/0x3c0 [ 54.869628] ops_init+0xbb/0x6b0 [ 54.869978] setup_net+0x3d9/0x990 [ 54.870307] ? down_read_killable+0x1d7/0x4e0 [ 54.870718] ? __pfx_setup_net+0x10/0x10 [ 54.871116] ? copy_net_ns+0x17c/0x770 [ 54.871501] copy_net_ns+0x321/0x770 [ 54.871878] create_new_namespaces+0x3f6/0xb30 [ 54.872306] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.872749] ksys_unshare+0x44d/0x8e0 [ 54.873134] ? __pfx_ksys_unshare+0x10/0x10 [ 54.873525] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.874062] __x64_sys_unshare+0x31/0x40 [ 54.874432] do_syscall_64+0x3f/0x90 [ 54.874808] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.875272] RIP: 0033:0x7fbbb0a8d0d7 [ 54.875623] 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 [ 54.877174] RSP: 002b:00007fffc1167748 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.877865] RAX: ffffffffffffffda RBX: 00007fffc1167d88 RCX: 00007fbbb0a8d0d7 [ 54.878478] RDX: 00007fbbb0af741f RSI: 00007fffc11676e0 RDI: 0000000040000000 [ 54.879120] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffc11674f0 [ 54.879741] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbbb0b9fbf0 [ 54.880390] R13: 00007fffc1167820 R14: 0000000000000000 R15: 00000000000000f8 [ 54.881052] [ 54.881272] irq event stamp: 10125 [ 54.881589] hardirqs last enabled at (10135): [] __up_console_sem+0x78/0x80 [ 54.882364] hardirqs last disabled at (10146): [] __up_console_sem+0x5d/0x80 [ 54.883139] softirqs last enabled at (9712): [] irq_exit_rcu+0x93/0xc0 [ 54.883916] softirqs last disabled at (9703): [] irq_exit_rcu+0x93/0xc0 [ 54.884641] ---[ end trace 0000000000000000 ]--- [ 54.885615] ------------[ cut here ]------------ [ 54.886055] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.887381] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.888137] Modules linked in: [ 54.888420] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.889241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.889963] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.890424] 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 [ 54.891983] RSP: 0018:ffff88801e48fbf0 EFLAGS: 00010286 [ 54.892442] RAX: 0000000000000000 RBX: ffff888009468440 RCX: 0000000000000000 [ 54.893073] RDX: ffff88800f8d3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.893685] RBP: ffff888009468454 R08: 0000000000000001 R09: 0000000000000000 [ 54.894314] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.894953] R13: ffffffff84e23fe0 R14: ffff888009468448 R15: ffffffff84db0aa0 [ 54.895578] FS: 0000555557138400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.896287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.896817] CR2: 00007f31f05c66f4 CR3: 000000000c608000 CR4: 0000000000350ef0 [ 54.897434] Call Trace: [ 54.897664] [ 54.897909] nf_ct_net_init+0x224/0x3d0 [ 54.898274] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.898686] ops_init+0xbb/0x6b0 [ 54.899038] setup_net+0x3d9/0x990 [ 54.899371] ? down_read_killable+0x1d7/0x4e0 [ 54.899807] ? __pfx_setup_net+0x10/0x10 [ 54.900173] ? copy_net_ns+0x17c/0x770 [ 54.900532] copy_net_ns+0x321/0x770 [ 54.900896] create_new_namespaces+0x3f6/0xb30 [ 54.901317] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.901753] ksys_unshare+0x44d/0x8e0 [ 54.902128] ? __pfx_ksys_unshare+0x10/0x10 [ 54.902514] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.903044] __x64_sys_unshare+0x31/0x40 [ 54.903414] do_syscall_64+0x3f/0x90 [ 54.903743] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.904215] RIP: 0033:0x7fbbb0a8d0d7 [ 54.904546] 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 [ 54.906060] RSP: 002b:00007fffc1167748 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.906757] RAX: ffffffffffffffda RBX: 00007fffc1167d88 RCX: 00007fbbb0a8d0d7 [ 54.907446] RDX: 00007fbbb0af741f RSI: 00007fffc11676e0 RDI: 0000000040000000 [ 54.908125] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffc11674f0 [ 54.908721] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbbb0b9fbf0 [ 54.909335] R13: 00007fffc1167820 R14: 0000000000000000 R15: 00000000000000f8 [ 54.909972] [ 54.910186] irq event stamp: 10857 [ 54.910493] hardirqs last enabled at (10867): [] __up_console_sem+0x78/0x80 [ 54.911235] hardirqs last disabled at (10878): [] __up_console_sem+0x5d/0x80 [ 54.911983] softirqs last enabled at (10792): [] irq_exit_rcu+0x93/0xc0 [ 54.912684] softirqs last disabled at (10787): [] irq_exit_rcu+0x93/0xc0 [ 54.913407] ---[ end trace 0000000000000000 ]--- [ 56.558491] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.606846] Bluetooth: hci0: command 0x041b tx timeout [ 60.653869] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.701828] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:54:51 Registers: info registers vcpu 0 RAX=0000000000000028 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801e48f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000028 R11=0000000000000001 R12=0000000000000028 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 0000555557138400 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=00007f31f05c66f4 CR3=000000000c608000 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=0000000000000001 RBX=0000000000000001 RCX=0000000000000000 RDX=0000000000000001 RSI=0000000000000001 RDI=ffff88800fbd75b0 RBP=ffff88800fbd75a0 RSP=ffff88800fbd74d8 R8 =ffffffff86154414 R9 =ffffffff86154418 R10=0000000000038001 R11=ffff88800fbd7588 R12=ffff88800fbd75a8 R13=ffff88800fbd7590 R14=ffff88800fbd7a70 R15=ffff88800fbd7548 RIP=ffffffff81130feb RFL=00000246 [---Z-P-] 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 00007f93a7127700 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=00007f939c02c068 CR3=000000000f566000 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=2034353a34353a39312037312079614d XMM01=5d3837313132382e34352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3837313132382e34352020205b20 XMM07=732034353a34353a3931203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000