syzkaller login: [ 29.109933] sshd (212) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:58815' (ECDSA) to the list of known hosts. 2023/05/17 00:25:52 fuzzer started 2023/05/17 00:25:52 dialing manager at localhost:35573 2023/05/17 00:25:53 checking machine... 2023/05/17 00:25:53 checking revisions... [ 33.904323] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:25:53 testing simple program... [ 33.976616] cgroup: Unknown subsys name 'net' [ 34.077175] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 45.732860] audit: type=1400 audit(1684283165.046:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 46.831523] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 46.833615] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 46.834954] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 46.837198] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 46.838554] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 46.839803] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 47.228733] ------------[ cut here ]------------ [ 47.229536] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 47.231772] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.233073] Modules linked in: [ 47.233651] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.238693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.240021] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.240661] 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 [ 47.242875] RSP: 0018:ffff888016477c00 EFLAGS: 00010282 [ 47.243572] RAX: 0000000000000000 RBX: ffff88800dd09040 RCX: 0000000000000000 [ 47.244506] RDX: ffff88800e843680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.245423] RBP: ffff88800dd09054 R08: 0000000000000001 R09: 0000000000000000 [ 47.246358] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 47.247278] R13: ffffffff84e223a0 R14: ffff88800dd09048 R15: ffffffff84d73340 [ 47.248226] FS: 0000555556ca6400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 47.249241] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.249986] CR2: 00007f8c68b516f4 CR3: 000000000f246000 CR4: 0000000000350ee0 [ 47.250892] Call Trace: [ 47.251217] [ 47.251540] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 47.252187] ipv4_frags_init_net+0x269/0x440 [ 47.252779] ops_init+0xbb/0x6b0 [ 47.253226] setup_net+0x3d9/0x990 [ 47.253674] ? down_read_killable+0x1d7/0x4e0 [ 47.254285] ? __pfx_setup_net+0x10/0x10 [ 47.254821] ? copy_net_ns+0x17c/0x770 [ 47.255333] copy_net_ns+0x321/0x770 [ 47.255857] create_new_namespaces+0x3f6/0xb30 [ 47.256448] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.257100] ksys_unshare+0x44d/0x8e0 [ 47.257591] ? __pfx_ksys_unshare+0x10/0x10 [ 47.258170] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.258922] __x64_sys_unshare+0x31/0x40 [ 47.259453] do_syscall_64+0x3f/0x90 [ 47.259962] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.260618] RIP: 0033:0x7fb008bb50d7 [ 47.261113] 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 [ 47.263297] RSP: 002b:00007ffed26d9ae8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 47.264274] RAX: ffffffffffffffda RBX: 00007ffed26da128 RCX: 00007fb008bb50d7 [ 47.265162] RDX: 00007fb008c1f41f RSI: 00007ffed26d9a80 RDI: 0000000040000000 [ 47.266063] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed26d9890 [ 47.266952] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb008cc7bf0 [ 47.267849] R13: 00007ffed26d9bc0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.268760] [ 47.269065] irq event stamp: 8903 [ 47.269489] hardirqs last enabled at (8913): [] __up_console_sem+0x78/0x80 [ 47.270553] hardirqs last disabled at (8924): [] __up_console_sem+0x5d/0x80 [ 47.271629] softirqs last enabled at (8472): [] irq_exit_rcu+0x93/0xc0 [ 47.272668] softirqs last disabled at (8459): [] irq_exit_rcu+0x93/0xc0 [ 47.273714] ---[ end trace 0000000000000000 ]--- [ 47.278650] ------------[ cut here ]------------ [ 47.279278] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 47.281085] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.282159] Modules linked in: [ 47.282564] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.283742] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.284750] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.285397] 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 [ 47.287595] RSP: 0018:ffff888016477c00 EFLAGS: 00010282 [ 47.288285] RAX: 0000000000000000 RBX: ffff88800d7fd240 RCX: 0000000000000000 [ 47.289175] RDX: ffff88800e843680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.290060] RBP: ffff88800d7fd254 R08: 0000000000000001 R09: 0000000000000000 [ 47.290948] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.291843] R13: ffffffff84e223a0 R14: ffff88800d7fd248 R15: ffffffff84da62e0 [ 47.292739] FS: 0000555556ca6400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 47.293737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.294446] CR2: 00007f8c68b516f4 CR3: 000000000f246000 CR4: 0000000000350ee0 [ 47.295333] Call Trace: [ 47.295684] [ 47.296018] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 47.296631] ipv6_frags_init_net+0x206/0x3c0 [ 47.297235] ops_init+0xbb/0x6b0 [ 47.297726] setup_net+0x3d9/0x990 [ 47.298191] ? down_read_killable+0x1d7/0x4e0 [ 47.298797] ? __pfx_setup_net+0x10/0x10 [ 47.299310] ? copy_net_ns+0x17c/0x770 [ 47.299850] copy_net_ns+0x321/0x770 [ 47.300333] create_new_namespaces+0x3f6/0xb30 [ 47.300956] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.301568] ksys_unshare+0x44d/0x8e0 [ 47.302097] ? __pfx_ksys_unshare+0x10/0x10 [ 47.302667] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.303448] __x64_sys_unshare+0x31/0x40 [ 47.304023] do_syscall_64+0x3f/0x90 [ 47.304516] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.305220] RIP: 0033:0x7fb008bb50d7 [ 47.305730] 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 [ 47.308003] RSP: 002b:00007ffed26d9ae8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 47.308991] RAX: ffffffffffffffda RBX: 00007ffed26da128 RCX: 00007fb008bb50d7 [ 47.309923] RDX: 00007fb008c1f41f RSI: 00007ffed26d9a80 RDI: 0000000040000000 [ 47.310857] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed26d9890 [ 47.311813] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb008cc7bf0 [ 47.312738] R13: 00007ffed26d9bc0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.313663] [ 47.314009] irq event stamp: 10489 [ 47.314463] hardirqs last enabled at (10499): [] __up_console_sem+0x78/0x80 [ 47.315599] hardirqs last disabled at (10510): [] __up_console_sem+0x5d/0x80 [ 47.316727] softirqs last enabled at (10060): [] irq_exit_rcu+0x93/0xc0 [ 47.317820] softirqs last disabled at (10055): [] irq_exit_rcu+0x93/0xc0 [ 47.318916] ---[ end trace 0000000000000000 ]--- [ 47.320336] ------------[ cut here ]------------ [ 47.320969] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 47.323009] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.324128] Modules linked in: [ 47.324553] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.325758] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.326815] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.327512] 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 [ 47.329805] RSP: 0018:ffff888016477bf0 EFLAGS: 00010286 [ 47.330489] RAX: 0000000000000000 RBX: ffff88800d7fd840 RCX: 0000000000000000 [ 47.331429] RDX: ffff88800e843680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.332355] RBP: ffff88800d7fd854 R08: 0000000000000001 R09: 0000000000000000 [ 47.333288] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.334227] R13: ffffffff84e223a0 R14: ffff88800d7fd848 R15: ffffffff84daf020 [ 47.335157] FS: 0000555556ca6400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 47.336218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.336990] CR2: 00007f8c68b516f4 CR3: 000000000f246000 CR4: 0000000000350ee0 [ 47.337929] Call Trace: [ 47.338265] [ 47.338573] nf_ct_net_init+0x224/0x3d0 [ 47.339138] ? __pfx_nf_ct_net_init+0x10/0x10 [ 47.339776] ops_init+0xbb/0x6b0 [ 47.340243] setup_net+0x3d9/0x990 [ 47.340741] ? down_read_killable+0x1d7/0x4e0 [ 47.341339] ? __pfx_setup_net+0x10/0x10 [ 47.341895] ? copy_net_ns+0x17c/0x770 [ 47.342429] copy_net_ns+0x321/0x770 [ 47.342965] create_new_namespaces+0x3f6/0xb30 [ 47.343605] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.344285] ksys_unshare+0x44d/0x8e0 [ 47.344832] ? __pfx_ksys_unshare+0x10/0x10 [ 47.345394] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.346171] __x64_sys_unshare+0x31/0x40 [ 47.346739] do_syscall_64+0x3f/0x90 [ 47.347232] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.347936] RIP: 0033:0x7fb008bb50d7 [ 47.348417] 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 [ 47.350675] RSP: 002b:00007ffed26d9ae8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 47.351671] RAX: ffffffffffffffda RBX: 00007ffed26da128 RCX: 00007fb008bb50d7 [ 47.352619] RDX: 00007fb008c1f41f RSI: 00007ffed26d9a80 RDI: 0000000040000000 [ 47.353530] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffed26d9890 [ 47.354453] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb008cc7bf0 [ 47.355375] R13: 00007ffed26d9bc0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.356320] [ 47.356638] irq event stamp: 11227 [ 47.357115] hardirqs last enabled at (11239): [] __up_console_sem+0x78/0x80 [ 47.358222] hardirqs last disabled at (11250): [] __up_console_sem+0x5d/0x80 [ 47.359328] softirqs last enabled at (11132): [] irq_exit_rcu+0x93/0xc0 [ 47.360411] softirqs last disabled at (11125): [] irq_exit_rcu+0x93/0xc0 [ 47.361497] ---[ end trace 0000000000000000 ]--- executing program [ 48.850459] Bluetooth: hci0: command 0x0409 tx timeout [ 50.898348] Bluetooth: hci0: command 0x041b tx timeout executing program [ 52.945772] Bluetooth: hci0: command 0x040f tx timeout executing program [ 54.993811] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 00:26:06 Registers: info registers vcpu 0 RAX=0000000000000003 RBX=00000000000000c7 RCX=ffffffff812d23f2 RDX=1ffffffff0a85632 RSI=0000000000000008 RDI=ffffffff877969d8 RBP=0000000000000000 RSP=ffff88806ce097c0 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff877969c7 R11=0000000000000001 R12=ffffffff8542b198 R13=ffffffff8542a780 R14=ffffffff85d35b6c R15=0000000000000000 RIP=ffffffff818112d8 RFL=00000016 [----AP-] 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 0000000000000000 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=00007fced84acad0 CR3=000000000ed24000 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=1c7d0b98ad77a1b83b44822f4ab6a786 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=ba440fd1a742e9c7000000000013b248 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=9bb315af1f5118ee00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880164775f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556ca6400 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=00007f8c68b516f4 CR3=000000000f246000 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=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