syzkaller login: [ 33.514074] sshd (217) used greatest stack depth: 24168 bytes left Warning: Permanently added '[localhost]:32297' (ECDSA) to the list of known hosts. 2023/05/18 05:47:48 fuzzer started 2023/05/18 05:47:48 dialing manager at localhost:44319 2023/05/18 05:47:48 checking machine... 2023/05/18 05:47:48 checking revisions... [ 35.599060] kmemleak: Automatic memory scanning thread ended 2023/05/18 05:47:48 testing simple program... [ 35.666061] cgroup: Unknown subsys name 'net' [ 35.743609] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 47.923452] audit: type=1400 audit(1684388880.908:6): 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 [ 49.046669] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.048360] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.050689] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.054015] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.055673] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.057801] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.437129] ------------[ cut here ]------------ [ 49.437953] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.439910] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.440979] Modules linked in: [ 49.441384] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.446326] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.447334] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.448042] 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 [ 49.450231] RSP: 0018:ffff88801ea97c00 EFLAGS: 00010282 [ 49.450928] RAX: 0000000000000000 RBX: ffff88800f582040 RCX: 0000000000000000 [ 49.451823] RDX: ffff888017880000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.452677] RBP: ffff88800f582054 R08: 0000000000000001 R09: 0000000000000000 [ 49.453567] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.454459] R13: ffffffff84e23fe0 R14: ffff88800f582048 R15: ffffffff84d74dc0 [ 49.455358] FS: 00005555557a5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.456377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.457122] CR2: 00007efdb78706f4 CR3: 0000000016ba2000 CR4: 0000000000350ef0 [ 49.458014] Call Trace: [ 49.458335] [ 49.458641] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.459306] ipv4_frags_init_net+0x269/0x440 [ 49.459939] ops_init+0xbb/0x6b0 [ 49.460399] setup_net+0x3d9/0x990 [ 49.460899] ? down_read_killable+0x1d7/0x4e0 [ 49.461495] ? __pfx_setup_net+0x10/0x10 [ 49.462048] ? copy_net_ns+0x17c/0x770 [ 49.462568] copy_net_ns+0x321/0x770 [ 49.463095] create_new_namespaces+0x3f6/0xb30 [ 49.463741] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.464368] ksys_unshare+0x44d/0x8e0 [ 49.464903] ? __pfx_ksys_unshare+0x10/0x10 [ 49.465459] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.466211] __x64_sys_unshare+0x31/0x40 [ 49.466768] do_syscall_64+0x3f/0x90 [ 49.467264] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.467967] RIP: 0033:0x7faf8602c0d7 [ 49.468452] 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 [ 49.470685] RSP: 002b:00007ffd336da6e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.471726] RAX: ffffffffffffffda RBX: 00007ffd336dad28 RCX: 00007faf8602c0d7 [ 49.472614] RDX: 00007faf8609641f RSI: 00007ffd336da680 RDI: 0000000040000000 [ 49.473533] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd336da490 [ 49.474446] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faf8613ebf0 [ 49.475362] R13: 00007ffd336da7c0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.476304] [ 49.476613] irq event stamp: 9501 [ 49.477087] hardirqs last enabled at (9513): [] __up_console_sem+0x78/0x80 [ 49.478179] hardirqs last disabled at (9524): [] __up_console_sem+0x5d/0x80 [ 49.479267] softirqs last enabled at (8982): [] irq_exit_rcu+0x93/0xc0 [ 49.480346] softirqs last disabled at (8977): [] irq_exit_rcu+0x93/0xc0 [ 49.481401] ---[ end trace 0000000000000000 ]--- [ 49.487282] ------------[ cut here ]------------ [ 49.487980] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.489631] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.490730] Modules linked in: [ 49.491147] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.492335] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.493381] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.494086] 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 [ 49.496337] RSP: 0018:ffff88801ea97c00 EFLAGS: 00010282 [ 49.497046] RAX: 0000000000000000 RBX: ffff88800f339e40 RCX: 0000000000000000 [ 49.497963] RDX: ffff888017880000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.498886] RBP: ffff88800f339e54 R08: 0000000000000001 R09: 0000000000000000 [ 49.499819] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.500732] R13: ffffffff84e23fe0 R14: ffff88800f339e48 R15: ffffffff84da7d60 [ 49.501612] FS: 00005555557a5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.502642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.503405] CR2: 00007efdb78706f4 CR3: 0000000016ba2000 CR4: 0000000000350ef0 [ 49.504338] Call Trace: [ 49.504670] [ 49.505011] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.505651] ipv6_frags_init_net+0x206/0x3c0 [ 49.506257] ops_init+0xbb/0x6b0 [ 49.506748] setup_net+0x3d9/0x990 [ 49.507222] ? down_read_killable+0x1d7/0x4e0 [ 49.507854] ? __pfx_setup_net+0x10/0x10 [ 49.508389] ? copy_net_ns+0x17c/0x770 [ 49.508945] copy_net_ns+0x321/0x770 [ 49.509444] create_new_namespaces+0x3f6/0xb30 [ 49.510081] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.510740] ksys_unshare+0x44d/0x8e0 [ 49.511246] ? __pfx_ksys_unshare+0x10/0x10 [ 49.511845] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.512581] __x64_sys_unshare+0x31/0x40 [ 49.513141] do_syscall_64+0x3f/0x90 [ 49.513632] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.514328] RIP: 0033:0x7faf8602c0d7 [ 49.514832] 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 [ 49.517081] RSP: 002b:00007ffd336da6e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.518056] RAX: ffffffffffffffda RBX: 00007ffd336dad28 RCX: 00007faf8602c0d7 [ 49.518976] RDX: 00007faf8609641f RSI: 00007ffd336da680 RDI: 0000000040000000 [ 49.519902] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd336da490 [ 49.520820] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faf8613ebf0 [ 49.521743] R13: 00007ffd336da7c0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.522641] [ 49.522985] irq event stamp: 11535 [ 49.523451] hardirqs last enabled at (11545): [] __up_console_sem+0x78/0x80 [ 49.524559] hardirqs last disabled at (11556): [] __up_console_sem+0x5d/0x80 [ 49.525657] softirqs last enabled at (11094): [] irq_exit_rcu+0x93/0xc0 [ 49.526744] softirqs last disabled at (11089): [] irq_exit_rcu+0x93/0xc0 [ 49.527822] ---[ end trace 0000000000000000 ]--- [ 49.529152] ------------[ cut here ]------------ [ 49.529875] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.531858] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.532953] Modules linked in: [ 49.533370] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.534565] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.535632] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.536334] 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 [ 49.538583] RSP: 0018:ffff88801ea97bf0 EFLAGS: 00010286 [ 49.539290] RAX: 0000000000000000 RBX: ffff88800f339840 RCX: 0000000000000000 [ 49.540214] RDX: ffff888017880000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.541132] RBP: ffff88800f339854 R08: 0000000000000001 R09: 0000000000000000 [ 49.542056] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.542977] R13: ffffffff84e23fe0 R14: ffff88800f339848 R15: ffffffff84db0aa0 [ 49.543917] FS: 00005555557a5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.544945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.545686] CR2: 00007efdb78706f4 CR3: 0000000016ba2000 CR4: 0000000000350ef0 [ 49.546615] Call Trace: [ 49.546993] [ 49.547301] nf_ct_net_init+0x224/0x3d0 [ 49.547875] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.548471] ops_init+0xbb/0x6b0 [ 49.548958] setup_net+0x3d9/0x990 [ 49.549437] ? down_read_killable+0x1d7/0x4e0 [ 49.550060] ? __pfx_setup_net+0x10/0x10 [ 49.550588] ? copy_net_ns+0x17c/0x770 [ 49.551147] copy_net_ns+0x321/0x770 [ 49.551661] create_new_namespaces+0x3f6/0xb30 [ 49.552297] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.552961] ksys_unshare+0x44d/0x8e0 [ 49.553465] ? __pfx_ksys_unshare+0x10/0x10 [ 49.554056] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.554821] __x64_sys_unshare+0x31/0x40 [ 49.555358] do_syscall_64+0x3f/0x90 [ 49.555906] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.556570] RIP: 0033:0x7faf8602c0d7 [ 49.557082] 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 [ 49.559303] RSP: 002b:00007ffd336da6e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.560296] RAX: ffffffffffffffda RBX: 00007ffd336dad28 RCX: 00007faf8602c0d7 [ 49.561221] RDX: 00007faf8609641f RSI: 00007ffd336da680 RDI: 0000000040000000 [ 49.562134] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd336da490 [ 49.563054] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faf8613ebf0 [ 49.563994] R13: 00007ffd336da7c0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.564934] [ 49.565250] irq event stamp: 12349 [ 49.565725] hardirqs last enabled at (12361): [] __up_console_sem+0x78/0x80 [ 49.566825] hardirqs last disabled at (12372): [] __up_console_sem+0x5d/0x80 [ 49.567933] softirqs last enabled at (12244): [] irq_exit_rcu+0x93/0xc0 [ 49.569003] softirqs last disabled at (12239): [] irq_exit_rcu+0x93/0xc0 [ 49.570070] ---[ end trace 0000000000000000 ]--- executing program [ 51.127327] Bluetooth: hci0: command 0x0409 tx timeout [ 53.173781] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.221779] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.269799] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 05:48:02 Registers: info registers vcpu 0 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801ea975f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 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 00005555557a5400 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=00007efdb78706f4 CR3=0000000016ba2000 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=0000000000035aef 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=00007fce2f509f30 CR3=000000000d636000 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=2032303a38343a35302038312079614d XMM01=5d3335393733342e39342020205b203a XMM02=657268745f776f6c5f6761726670692f XMM03=6c61626f6c67206c656e72656b206f74 XMM04=6f6c5f676172667069203a6174616420 XMM05=2073746e696f702061746164203a6873 XMM06=347670692f74656e206c746373797320 XMM07=6c656e72656b2072656c6c616b7a7973 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000