syzkaller login: [ 45.258910] sshd (224) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:51148' (ECDSA) to the list of known hosts. 2023/05/17 02:12:53 fuzzer started 2023/05/17 02:12:53 dialing manager at localhost:35573 2023/05/17 02:12:53 checking machine... 2023/05/17 02:12:53 checking revisions... [ 46.481970] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:12:54 testing simple program... [ 46.574755] cgroup: Unknown subsys name 'net' [ 46.658456] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 60.178434] audit: type=1400 audit(1684289587.726:6): 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 [ 61.297424] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.299019] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.300595] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.303221] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.305212] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 61.306768] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 61.708016] ------------[ cut here ]------------ [ 61.708799] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 61.711100] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.712231] Modules linked in: [ 61.712667] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.717854] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.718985] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.719681] 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 [ 61.721847] RSP: 0018:ffff88801ec2fc00 EFLAGS: 00010282 [ 61.722555] RAX: 0000000000000000 RBX: ffff8880094ba840 RCX: 0000000000000000 [ 61.723436] RDX: ffff88800fc10000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.724330] RBP: ffff8880094ba854 R08: 0000000000000001 R09: 0000000000000000 [ 61.725179] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 61.726092] R13: ffffffff84e223a0 R14: ffff8880094ba848 R15: ffffffff84d73340 [ 61.726996] FS: 0000555556377400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.728010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.728764] CR2: 00007ffdc4d40000 CR3: 000000000dcbc000 CR4: 0000000000350ef0 [ 61.729676] Call Trace: [ 61.730011] [ 61.730364] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 61.730991] ipv4_frags_init_net+0x269/0x440 [ 61.731584] ops_init+0xbb/0x6b0 [ 61.732036] setup_net+0x3d9/0x990 [ 61.732530] ? down_read_killable+0x1d7/0x4e0 [ 61.733113] ? __pfx_setup_net+0x10/0x10 [ 61.733655] ? copy_net_ns+0x17c/0x770 [ 61.734174] copy_net_ns+0x321/0x770 [ 61.734687] create_new_namespaces+0x3f6/0xb30 [ 61.735297] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.735912] ksys_unshare+0x44d/0x8e0 [ 61.736432] ? __pfx_ksys_unshare+0x10/0x10 [ 61.736976] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.737719] __x64_sys_unshare+0x31/0x40 [ 61.738261] do_syscall_64+0x3f/0x90 [ 61.738764] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.739431] RIP: 0033:0x7fb960be70d7 [ 61.739893] 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 [ 61.742047] RSP: 002b:00007fff903eff98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.743009] RAX: ffffffffffffffda RBX: 00007fff903f05d8 RCX: 00007fb960be70d7 [ 61.743897] RDX: 00007fb960c5141f RSI: 00007fff903eff30 RDI: 0000000040000000 [ 61.744780] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff903efd40 [ 61.745668] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb960cf9bf0 [ 61.746575] R13: 00007fff903f0070 R14: 0000000000000000 R15: 00000000000000f8 [ 61.747497] [ 61.747798] irq event stamp: 8159 [ 61.748223] hardirqs last enabled at (8169): [] __up_console_sem+0x78/0x80 [ 61.749301] hardirqs last disabled at (8182): [] __up_console_sem+0x5d/0x80 [ 61.750372] softirqs last enabled at (7708): [] irq_exit_rcu+0x93/0xc0 [ 61.751400] softirqs last disabled at (7677): [] irq_exit_rcu+0x93/0xc0 [ 61.752446] ---[ end trace 0000000000000000 ]--- [ 61.758988] ------------[ cut here ]------------ [ 61.759630] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 61.761298] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.762375] Modules linked in: [ 61.762786] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.763953] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.764982] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.765660] 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 [ 61.767926] RSP: 0018:ffff88801ec2fc00 EFLAGS: 00010282 [ 61.768631] RAX: 0000000000000000 RBX: ffff888009767640 RCX: 0000000000000000 [ 61.769507] RDX: ffff88800fc10000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.770421] RBP: ffff888009767654 R08: 0000000000000001 R09: 0000000000000000 [ 61.771308] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.772160] R13: ffffffff84e223a0 R14: ffff888009767648 R15: ffffffff84da62e0 [ 61.773057] FS: 0000555556377400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.774050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.774803] CR2: 00007ffdc4d40000 CR3: 000000000dcbc000 CR4: 0000000000350ef0 [ 61.775684] Call Trace: [ 61.776012] [ 61.776345] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 61.776965] ipv6_frags_init_net+0x206/0x3c0 [ 61.777557] ops_init+0xbb/0x6b0 [ 61.777999] setup_net+0x3d9/0x990 [ 61.778506] ? down_read_killable+0x1d7/0x4e0 [ 61.779072] ? __pfx_setup_net+0x10/0x10 [ 61.779609] ? copy_net_ns+0x17c/0x770 [ 61.780113] copy_net_ns+0x321/0x770 [ 61.780627] create_new_namespaces+0x3f6/0xb30 [ 61.781209] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.781863] ksys_unshare+0x44d/0x8e0 [ 61.782394] ? __pfx_ksys_unshare+0x10/0x10 [ 61.782946] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.783687] __x64_sys_unshare+0x31/0x40 [ 61.784209] do_syscall_64+0x3f/0x90 [ 61.784722] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.785394] RIP: 0033:0x7fb960be70d7 [ 61.785863] 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 [ 61.788040] RSP: 002b:00007fff903eff98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.789016] RAX: ffffffffffffffda RBX: 00007fff903f05d8 RCX: 00007fb960be70d7 [ 61.789923] RDX: 00007fb960c5141f RSI: 00007fff903eff30 RDI: 0000000040000000 [ 61.790826] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff903efd40 [ 61.791723] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb960cf9bf0 [ 61.792612] R13: 00007fff903f0070 R14: 0000000000000000 R15: 00000000000000f8 [ 61.793545] [ 61.793856] irq event stamp: 10927 [ 61.794343] hardirqs last enabled at (10939): [] __up_console_sem+0x78/0x80 [ 61.795406] hardirqs last disabled at (10950): [] __up_console_sem+0x5d/0x80 [ 61.796478] softirqs last enabled at (10744): [] irq_exit_rcu+0x93/0xc0 [ 61.797513] softirqs last disabled at (10735): [] irq_exit_rcu+0x93/0xc0 [ 61.798578] ---[ end trace 0000000000000000 ]--- [ 61.799937] ------------[ cut here ]------------ [ 61.800601] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 61.802618] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.803678] Modules linked in: [ 61.804082] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.805246] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.806259] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.806939] 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 [ 61.809111] RSP: 0018:ffff88801ec2fbf0 EFLAGS: 00010286 [ 61.809795] RAX: 0000000000000000 RBX: ffff888009766e40 RCX: 0000000000000000 [ 61.810715] RDX: ffff88800fc10000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.811602] RBP: ffff888009766e54 R08: 0000000000000001 R09: 0000000000000000 [ 61.812493] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.813386] R13: ffffffff84e223a0 R14: ffff888009766e48 R15: ffffffff84daf020 [ 61.814246] FS: 0000555556377400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.815236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.815977] CR2: 00007ffdc4d40000 CR3: 000000000dcbc000 CR4: 0000000000350ef0 [ 61.816876] Call Trace: [ 61.817202] [ 61.817537] nf_ct_net_init+0x224/0x3d0 [ 61.818050] ? __pfx_nf_ct_net_init+0x10/0x10 [ 61.818680] ops_init+0xbb/0x6b0 [ 61.819128] setup_net+0x3d9/0x990 [ 61.819612] ? down_read_killable+0x1d7/0x4e0 [ 61.820175] ? __pfx_setup_net+0x10/0x10 [ 61.820718] ? copy_net_ns+0x17c/0x770 [ 61.821225] copy_net_ns+0x321/0x770 [ 61.821732] create_new_namespaces+0x3f6/0xb30 [ 61.822352] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.822967] ksys_unshare+0x44d/0x8e0 [ 61.823489] ? __pfx_ksys_unshare+0x10/0x10 [ 61.824033] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.824774] __x64_sys_unshare+0x31/0x40 [ 61.825330] do_syscall_64+0x3f/0x90 [ 61.825805] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.826504] RIP: 0033:0x7fb960be70d7 [ 61.826963] 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 [ 61.829127] RSP: 002b:00007fff903eff98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.830091] RAX: ffffffffffffffda RBX: 00007fff903f05d8 RCX: 00007fb960be70d7 [ 61.830991] RDX: 00007fb960c5141f RSI: 00007fff903eff30 RDI: 0000000040000000 [ 61.831870] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff903efd40 [ 61.832761] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb960cf9bf0 [ 61.833636] R13: 00007fff903f0070 R14: 0000000000000000 R15: 00000000000000f8 [ 61.834560] [ 61.834861] irq event stamp: 11755 [ 61.835319] hardirqs last enabled at (11767): [] __up_console_sem+0x78/0x80 [ 61.836381] hardirqs last disabled at (11778): [] __up_console_sem+0x5d/0x80 [ 61.837452] softirqs last enabled at (11618): [] irq_exit_rcu+0x93/0xc0 [ 61.838513] softirqs last disabled at (11613): [] irq_exit_rcu+0x93/0xc0 [ 61.839549] ---[ end trace 0000000000000000 ]--- [ 63.381947] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 65.429350] Bluetooth: hci0: command 0x041b tx timeout executing program [ 67.477346] Bluetooth: hci0: command 0x040f tx timeout [ 69.525354] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:13:07 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ec2f5f0 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 0000555556377400 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=00007ffdc4d40000 CR3=000000000dcbc000 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=0000000000031ff3 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000206 [-----P-] 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=00007f81d6ded370 CR3=0000000018748000 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=2039303a33313a32302037312079614d XMM01=5d3133323231372e31362020205b203a XMM02=646f4d205d3133323231372e31362020 XMM03=6b7a79732039303a33313a3230203731 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3030313131372e31362020205b XMM07=79732039303a33313a32302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000