syzkaller login: [ 39.948075] sshd (210) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:42316' (ECDSA) to the list of known hosts. 2023/05/17 02:16:45 fuzzer started 2023/05/17 02:16:45 dialing manager at localhost:35573 2023/05/17 02:16:45 checking machine... 2023/05/17 02:16:45 checking revisions... [ 45.217366] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:16:45 testing simple program... [ 45.297122] cgroup: Unknown subsys name 'net' [ 45.461897] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.050347] audit: type=1400 audit(1684289818.540:6): 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 [ 59.140469] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.143224] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.144796] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.148328] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.149748] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.151202] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.551703] ------------[ cut here ]------------ [ 59.553214] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.555759] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.557049] Modules linked in: [ 59.557574] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.561780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.563917] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.564810] 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 [ 59.567891] RSP: 0018:ffff88800d997c00 EFLAGS: 00010282 [ 59.568815] RAX: 0000000000000000 RBX: ffff8880160a6840 RCX: 0000000000000000 [ 59.570040] RDX: ffff88800d9d8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.571226] RBP: ffff8880160a6854 R08: 0000000000000001 R09: 0000000000000000 [ 59.572462] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.573696] R13: ffffffff84e223a0 R14: ffff8880160a6848 R15: ffffffff84d73340 [ 59.574973] FS: 0000555556fb1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.576371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.577237] CR2: 00007f117bba36f4 CR3: 000000001474c000 CR4: 0000000000350ef0 [ 59.578274] Call Trace: [ 59.578646] [ 59.578981] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.579706] ipv4_frags_init_net+0x269/0x440 [ 59.580360] ops_init+0xbb/0x6b0 [ 59.580856] setup_net+0x3d9/0x990 [ 59.581388] ? down_read_killable+0x1d7/0x4e0 [ 59.582051] ? __pfx_setup_net+0x10/0x10 [ 59.582609] ? copy_net_ns+0x17c/0x770 [ 59.583199] copy_net_ns+0x321/0x770 [ 59.583753] create_new_namespaces+0x3f6/0xb30 [ 59.584440] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.585154] ksys_unshare+0x44d/0x8e0 [ 59.585698] ? __pfx_ksys_unshare+0x10/0x10 [ 59.586333] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.587215] __x64_sys_unshare+0x31/0x40 [ 59.587850] do_syscall_64+0x3f/0x90 [ 59.588447] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.589243] RIP: 0033:0x7f0807de40d7 [ 59.589800] 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 [ 59.592388] RSP: 002b:00007ffd29e3aa78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.593528] RAX: ffffffffffffffda RBX: 00007ffd29e3b0b8 RCX: 00007f0807de40d7 [ 59.594583] RDX: 00007f0807e4e41f RSI: 00007ffd29e3aa10 RDI: 0000000040000000 [ 59.595652] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd29e3a820 [ 59.596690] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0807ef6bf0 [ 59.597744] R13: 00007ffd29e3ab50 R14: 0000000000000000 R15: 00000000000000f8 [ 59.598818] [ 59.599199] irq event stamp: 8545 [ 59.599704] hardirqs last enabled at (8555): [] __up_console_sem+0x78/0x80 [ 59.600956] hardirqs last disabled at (8566): [] __up_console_sem+0x5d/0x80 [ 59.602220] softirqs last enabled at (8070): [] irq_exit_rcu+0x93/0xc0 [ 59.603475] softirqs last disabled at (8035): [] irq_exit_rcu+0x93/0xc0 [ 59.604692] ---[ end trace 0000000000000000 ]--- [ 59.614950] ------------[ cut here ]------------ [ 59.615908] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.618039] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.619309] Modules linked in: [ 59.619769] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.621150] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.622346] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.623182] 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 [ 59.625727] RSP: 0018:ffff88800d997c00 EFLAGS: 00010282 [ 59.626564] RAX: 0000000000000000 RBX: ffff88800df82240 RCX: 0000000000000000 [ 59.627668] RDX: ffff88800d9d8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.628722] RBP: ffff88800df82254 R08: 0000000000000001 R09: 0000000000000000 [ 59.629761] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.630797] R13: ffffffff84e223a0 R14: ffff88800df82248 R15: ffffffff84da62e0 [ 59.631852] FS: 0000555556fb1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.632995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.633867] CR2: 00007fccf053f680 CR3: 000000001474c000 CR4: 0000000000350ee0 [ 59.634919] Call Trace: [ 59.635313] [ 59.635666] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.636375] ipv6_frags_init_net+0x206/0x3c0 [ 59.636976] ops_init+0xbb/0x6b0 [ 59.637489] setup_net+0x3d9/0x990 [ 59.637970] ? down_read_killable+0x1d7/0x4e0 [ 59.638611] ? __pfx_setup_net+0x10/0x10 [ 59.639180] ? copy_net_ns+0x17c/0x770 [ 59.639724] copy_net_ns+0x321/0x770 [ 59.640265] create_new_namespaces+0x3f6/0xb30 [ 59.640889] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.641583] ksys_unshare+0x44d/0x8e0 [ 59.642143] ? __pfx_ksys_unshare+0x10/0x10 [ 59.642728] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.643526] __x64_sys_unshare+0x31/0x40 [ 59.644115] do_syscall_64+0x3f/0x90 [ 59.644630] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.645370] RIP: 0033:0x7f0807de40d7 [ 59.645884] 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 [ 59.648310] RSP: 002b:00007ffd29e3aa78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.649349] RAX: ffffffffffffffda RBX: 00007ffd29e3b0b8 RCX: 00007f0807de40d7 [ 59.650336] RDX: 00007f0807e4e41f RSI: 00007ffd29e3aa10 RDI: 0000000040000000 [ 59.651317] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd29e3a820 [ 59.652319] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0807ef6bf0 [ 59.653307] R13: 00007ffd29e3ab50 R14: 0000000000000000 R15: 00000000000000f8 [ 59.654323] [ 59.654652] irq event stamp: 11827 [ 59.655169] hardirqs last enabled at (11839): [] __up_console_sem+0x78/0x80 [ 59.656354] hardirqs last disabled at (11850): [] __up_console_sem+0x5d/0x80 [ 59.657543] softirqs last enabled at (11510): [] irq_exit_rcu+0x93/0xc0 [ 59.658714] softirqs last disabled at (11487): [] irq_exit_rcu+0x93/0xc0 [ 59.659885] ---[ end trace 0000000000000000 ]--- [ 59.661481] ------------[ cut here ]------------ [ 59.662200] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.664434] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.665611] Modules linked in: [ 59.666097] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.667406] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.668518] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.669261] 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 [ 59.671688] RSP: 0018:ffff88800d997bf0 EFLAGS: 00010286 [ 59.672438] RAX: 0000000000000000 RBX: ffff88800df82840 RCX: 0000000000000000 [ 59.673415] RDX: ffff88800d9d8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.674406] RBP: ffff88800df82854 R08: 0000000000000001 R09: 0000000000000000 [ 59.675414] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.676401] R13: ffffffff84e223a0 R14: ffff88800df82848 R15: ffffffff84daf020 [ 59.677396] FS: 0000555556fb1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.678504] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.679337] CR2: 00007fccf053f680 CR3: 000000001474c000 CR4: 0000000000350ee0 [ 59.680342] Call Trace: [ 59.680702] [ 59.681072] nf_ct_net_init+0x224/0x3d0 [ 59.681638] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.682297] ops_init+0xbb/0x6b0 [ 59.682788] setup_net+0x3d9/0x990 [ 59.683315] ? down_read_killable+0x1d7/0x4e0 [ 59.683966] ? __pfx_setup_net+0x10/0x10 [ 59.684565] ? copy_net_ns+0x17c/0x770 [ 59.685159] copy_net_ns+0x321/0x770 [ 59.685680] create_new_namespaces+0x3f6/0xb30 [ 59.686361] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.687077] ksys_unshare+0x44d/0x8e0 [ 59.687636] ? __pfx_ksys_unshare+0x10/0x10 [ 59.688280] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.689111] __x64_sys_unshare+0x31/0x40 [ 59.689689] do_syscall_64+0x3f/0x90 [ 59.690246] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.690963] RIP: 0033:0x7f0807de40d7 [ 59.691511] 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 [ 59.693924] RSP: 002b:00007ffd29e3aa78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.694980] RAX: ffffffffffffffda RBX: 00007ffd29e3b0b8 RCX: 00007f0807de40d7 [ 59.695969] RDX: 00007f0807e4e41f RSI: 00007ffd29e3aa10 RDI: 0000000040000000 [ 59.696947] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd29e3a820 [ 59.697953] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0807ef6bf0 [ 59.698932] R13: 00007ffd29e3ab50 R14: 0000000000000000 R15: 00000000000000f8 [ 59.699957] [ 59.700319] irq event stamp: 12663 [ 59.700798] hardirqs last enabled at (12673): [] __up_console_sem+0x78/0x80 [ 59.702031] hardirqs last disabled at (12686): [] __up_console_sem+0x5d/0x80 [ 59.703445] softirqs last enabled at (12622): [] irq_exit_rcu+0x93/0xc0 [ 59.704606] softirqs last disabled at (12613): [] irq_exit_rcu+0x93/0xc0 [ 59.705766] ---[ end trace 0000000000000000 ]--- executing program [ 61.217611] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.265079] Bluetooth: hci0: command 0x041b tx timeout [ 65.313094] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.361177] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:16:59 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800d9975f0 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 0000555556fb1400 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=00007f117bba36f4 CR3=000000001474c000 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=0000000000032889 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=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=00007fccf0432370 CR3=00000000161b4000 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=2030303a37313a32302037312079614d XMM01=5d3437353735352e39352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732030 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000