syzkaller login: [ 34.614924] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:22700' (ECDSA) to the list of known hosts. 2023/05/17 03:51:09 fuzzer started 2023/05/17 03:51:09 dialing manager at localhost:35573 2023/05/17 03:51:09 checking machine... 2023/05/17 03:51:09 checking revisions... [ 36.778274] kmemleak: Automatic memory scanning thread ended 2023/05/17 03:51:10 testing simple program... [ 36.862203] cgroup: Unknown subsys name 'net' [ 36.968840] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.667028] audit: type=1400 audit(1684295483.013:6): 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 [ 50.787795] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.789276] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.791112] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.796162] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.797851] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.799962] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.183014] ------------[ cut here ]------------ [ 51.183638] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.185405] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.186418] Modules linked in: [ 51.186842] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.188861] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.191058] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.192138] 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 [ 51.194884] RSP: 0018:ffff88801a1a7c00 EFLAGS: 00010282 [ 51.195765] RAX: 0000000000000000 RBX: ffff88800f2dc040 RCX: 0000000000000000 [ 51.196888] RDX: ffff88800ed2d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.198048] RBP: ffff88800f2dc054 R08: 0000000000000001 R09: 0000000000000000 [ 51.198999] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.199892] R13: ffffffff84e223a0 R14: ffff88800f2dc048 R15: ffffffff84d73340 [ 51.200787] FS: 00005555574ec400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.201802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.202519] CR2: 00007fe135bb9e10 CR3: 0000000009684000 CR4: 0000000000350ef0 [ 51.203431] Call Trace: [ 51.203791] [ 51.204090] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.204727] ipv4_frags_init_net+0x269/0x440 [ 51.205283] ops_init+0xbb/0x6b0 [ 51.205767] setup_net+0x3d9/0x990 [ 51.206218] ? down_read_killable+0x1d7/0x4e0 [ 51.206818] ? __pfx_setup_net+0x10/0x10 [ 51.207325] ? copy_net_ns+0x17c/0x770 [ 51.207868] copy_net_ns+0x321/0x770 [ 51.208341] create_new_namespaces+0x3f6/0xb30 [ 51.208955] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.209575] ksys_unshare+0x44d/0x8e0 [ 51.210124] ? __pfx_ksys_unshare+0x10/0x10 [ 51.210699] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.211410] __x64_sys_unshare+0x31/0x40 [ 51.211952] do_syscall_64+0x3f/0x90 [ 51.212426] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.213101] RIP: 0033:0x7f138221b0d7 [ 51.213559] 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 [ 51.215771] RSP: 002b:00007ffd60830258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.216718] RAX: ffffffffffffffda RBX: 00007ffd60830898 RCX: 00007f138221b0d7 [ 51.217580] RDX: 00007f138228541f RSI: 00007ffd608301f0 RDI: 0000000040000000 [ 51.218493] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd60830000 [ 51.219389] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f138232dbf0 [ 51.220279] R13: 00007ffd60830330 R14: 0000000000000000 R15: 00000000000000f8 [ 51.221190] [ 51.221492] irq event stamp: 8043 [ 51.221979] hardirqs last enabled at (8055): [] __up_console_sem+0x78/0x80 [ 51.223035] hardirqs last disabled at (8066): [] __up_console_sem+0x5d/0x80 [ 51.224093] softirqs last enabled at (7606): [] irq_exit_rcu+0x93/0xc0 [ 51.225136] softirqs last disabled at (7595): [] irq_exit_rcu+0x93/0xc0 [ 51.226170] ---[ end trace 0000000000000000 ]--- [ 51.231145] ------------[ cut here ]------------ [ 51.231854] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.233576] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.234667] Modules linked in: [ 51.235076] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.236250] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.237259] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.237948] 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 [ 51.240129] RSP: 0018:ffff88801a1a7c00 EFLAGS: 00010282 [ 51.240784] RAX: 0000000000000000 RBX: ffff88800daf7440 RCX: 0000000000000000 [ 51.241594] RDX: ffff88800ed2d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.242509] RBP: ffff88800daf7454 R08: 0000000000000001 R09: 0000000000000000 [ 51.243347] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.244179] R13: ffffffff84e223a0 R14: ffff88800daf7448 R15: ffffffff84da62e0 [ 51.245032] FS: 00005555574ec400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.245985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.246685] CR2: 00007fe135bb9e10 CR3: 0000000009684000 CR4: 0000000000350ef0 [ 51.247495] Call Trace: [ 51.247836] [ 51.248121] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.248727] ipv6_frags_init_net+0x206/0x3c0 [ 51.249252] ops_init+0xbb/0x6b0 [ 51.249745] setup_net+0x3d9/0x990 [ 51.250202] ? down_read_killable+0x1d7/0x4e0 [ 51.250798] ? __pfx_setup_net+0x10/0x10 [ 51.251300] ? copy_net_ns+0x17c/0x770 [ 51.251837] copy_net_ns+0x321/0x770 [ 51.252313] create_new_namespaces+0x3f6/0xb30 [ 51.252921] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.253532] ksys_unshare+0x44d/0x8e0 [ 51.254059] ? __pfx_ksys_unshare+0x10/0x10 [ 51.254614] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.255348] __x64_sys_unshare+0x31/0x40 [ 51.255884] do_syscall_64+0x3f/0x90 [ 51.256349] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.257014] RIP: 0033:0x7f138221b0d7 [ 51.257476] 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 [ 51.259621] RSP: 002b:00007ffd60830258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.260548] RAX: ffffffffffffffda RBX: 00007ffd60830898 RCX: 00007f138221b0d7 [ 51.261420] RDX: 00007f138228541f RSI: 00007ffd608301f0 RDI: 0000000040000000 [ 51.262328] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd60830000 [ 51.263217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f138232dbf0 [ 51.264101] R13: 00007ffd60830330 R14: 0000000000000000 R15: 00000000000000f8 [ 51.265014] [ 51.265317] irq event stamp: 9765 [ 51.265778] hardirqs last enabled at (9777): [] __up_console_sem+0x78/0x80 [ 51.266835] hardirqs last disabled at (9788): [] __up_console_sem+0x5d/0x80 [ 51.267899] softirqs last enabled at (9316): [] irq_exit_rcu+0x93/0xc0 [ 51.268921] softirqs last disabled at (9311): [] irq_exit_rcu+0x93/0xc0 [ 51.269957] ---[ end trace 0000000000000000 ]--- [ 51.271295] ------------[ cut here ]------------ [ 51.271956] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.273884] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.274938] Modules linked in: [ 51.275342] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.276511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.277525] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.278211] 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 [ 51.280375] RSP: 0018:ffff88801a1a7bf0 EFLAGS: 00010286 [ 51.281072] RAX: 0000000000000000 RBX: ffff88800d481240 RCX: 0000000000000000 [ 51.281957] RDX: ffff88800ed2d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.282849] RBP: ffff88800d481254 R08: 0000000000000001 R09: 0000000000000000 [ 51.283727] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.284577] R13: ffffffff84e223a0 R14: ffff88800d481248 R15: ffffffff84daf020 [ 51.285475] FS: 00005555574ec400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.286476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.287216] CR2: 00007fe135bb9e10 CR3: 0000000009684000 CR4: 0000000000350ef0 [ 51.288102] Call Trace: [ 51.288423] [ 51.288752] nf_ct_net_init+0x224/0x3d0 [ 51.289265] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.289878] ops_init+0xbb/0x6b0 [ 51.290322] setup_net+0x3d9/0x990 [ 51.290804] ? down_read_killable+0x1d7/0x4e0 [ 51.291364] ? __pfx_setup_net+0x10/0x10 [ 51.291905] ? copy_net_ns+0x17c/0x770 [ 51.292412] copy_net_ns+0x321/0x770 [ 51.292923] create_new_namespaces+0x3f6/0xb30 [ 51.293534] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.294191] ksys_unshare+0x44d/0x8e0 [ 51.294709] ? __pfx_ksys_unshare+0x10/0x10 [ 51.295250] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.295982] __x64_sys_unshare+0x31/0x40 [ 51.296500] do_syscall_64+0x3f/0x90 [ 51.297001] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.297673] RIP: 0033:0x7f138221b0d7 [ 51.298154] 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 [ 51.300302] RSP: 002b:00007ffd60830258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.301243] RAX: ffffffffffffffda RBX: 00007ffd60830898 RCX: 00007f138221b0d7 [ 51.302152] RDX: 00007f138228541f RSI: 00007ffd608301f0 RDI: 0000000040000000 [ 51.303021] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd60830000 [ 51.303909] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f138232dbf0 [ 51.304787] R13: 00007ffd60830330 R14: 0000000000000000 R15: 00000000000000f8 [ 51.305693] [ 51.306005] irq event stamp: 10575 [ 51.306429] hardirqs last enabled at (10585): [] __up_console_sem+0x78/0x80 [ 51.307486] hardirqs last disabled at (10596): [] __up_console_sem+0x5d/0x80 [ 51.308546] softirqs last enabled at (10482): [] irq_exit_rcu+0x93/0xc0 [ 51.309575] softirqs last disabled at (10477): [] irq_exit_rcu+0x93/0xc0 [ 51.310632] ---[ end trace 0000000000000000 ]--- executing program [ 52.869338] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.916707] Bluetooth: hci0: command 0x041b tx timeout [ 56.964768] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.012752] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:51:24 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a1a7618 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 00005555574ec400 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=00007fe135bb9e10 CR3=0000000009684000 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=0000000000000000 RBX=ffff88801915d790 RCX=0000000000000000 RDX=ffff8880186a51c0 RSI=ffffffff81c6d14f RDI=0000000000000005 RBP=ffff888016ab7000 RSP=ffff88800cbbf870 R8 =0000000000000005 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000000 R12=0000000000000001 R13=0000000000000000 R14=ffff8880191f2068 R15=ffff88801915d7b4 RIP=ffffffff81ad39d2 RFL=00000282 [--S----] 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 00007f17a222a700 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=00007fe135b42780 CR3=00000000187b6000 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=2034323a31353a33302037312079614d XMM01=5d3136383838312e31352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3136383838312e31352020205b20 XMM07=732034323a31353a3330203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000