syzkaller login: [ 42.848439] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:37495' (ECDSA) to the list of known hosts. 2023/05/16 23:51:52 fuzzer started 2023/05/16 23:51:52 dialing manager at localhost:35573 2023/05/16 23:51:52 checking machine... 2023/05/16 23:51:52 checking revisions... [ 44.739369] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:51:52 testing simple program... [ 44.814212] cgroup: Unknown subsys name 'net' [ 44.905385] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.467429] audit: type=1400 audit(1684281125.258:6): 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 [ 58.617461] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.620082] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.621373] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.627739] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.629409] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.632200] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.002844] ------------[ cut here ]------------ [ 59.004013] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.006032] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.007326] Modules linked in: [ 59.007861] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.013031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.014055] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.014746] 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 [ 59.016947] RSP: 0018:ffff88801f947c00 EFLAGS: 00010282 [ 59.017633] RAX: 0000000000000000 RBX: ffff8880099a4440 RCX: 0000000000000000 [ 59.018493] RDX: ffff888018e53680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.019417] RBP: ffff8880099a4454 R08: 0000000000000001 R09: 0000000000000000 [ 59.020313] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.021202] R13: ffffffff84e223a0 R14: ffff8880099a4448 R15: ffffffff84d73340 [ 59.022097] FS: 00005555567a3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.023124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.023874] CR2: 00007f8398cde6f4 CR3: 000000000dedc000 CR4: 0000000000350ee0 [ 59.024755] Call Trace: [ 59.025080] [ 59.025382] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.026018] ipv4_frags_init_net+0x269/0x440 [ 59.026630] ops_init+0xbb/0x6b0 [ 59.027081] setup_net+0x3d9/0x990 [ 59.027563] ? down_read_killable+0x1d7/0x4e0 [ 59.028127] ? __pfx_setup_net+0x10/0x10 [ 59.028665] ? copy_net_ns+0x17c/0x770 [ 59.029170] copy_net_ns+0x321/0x770 [ 59.029681] create_new_namespaces+0x3f6/0xb30 [ 59.030272] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.030928] ksys_unshare+0x44d/0x8e0 [ 59.031422] ? __pfx_ksys_unshare+0x10/0x10 [ 59.031988] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.032723] __x64_sys_unshare+0x31/0x40 [ 59.033243] do_syscall_64+0x3f/0x90 [ 59.033744] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.034385] RIP: 0033:0x7f94d3f1d0d7 [ 59.034899] 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 [ 59.037081] RSP: 002b:00007fff232678d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.038043] RAX: ffffffffffffffda RBX: 00007fff23267f18 RCX: 00007f94d3f1d0d7 [ 59.038942] RDX: 00007f94d3f8741f RSI: 00007fff23267870 RDI: 0000000040000000 [ 59.039829] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff23267680 [ 59.040716] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f94d402fbf0 [ 59.041609] R13: 00007fff232679b0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.042486] [ 59.042825] irq event stamp: 8553 [ 59.043253] hardirqs last enabled at (8563): [] __up_console_sem+0x78/0x80 [ 59.044303] hardirqs last disabled at (8574): [] __up_console_sem+0x5d/0x80 [ 59.045375] softirqs last enabled at (8478): [] irq_exit_rcu+0x93/0xc0 [ 59.046436] softirqs last disabled at (8473): [] irq_exit_rcu+0x93/0xc0 [ 59.047482] ---[ end trace 0000000000000000 ]--- [ 59.052752] ------------[ cut here ]------------ [ 59.053342] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.055149] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.056228] Modules linked in: [ 59.056665] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.057818] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.058846] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.059494] 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 [ 59.061688] RSP: 0018:ffff88801f947c00 EFLAGS: 00010282 [ 59.062339] RAX: 0000000000000000 RBX: ffff88800ef9ca40 RCX: 0000000000000000 [ 59.063234] RDX: ffff888018e53680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.064130] RBP: ffff88800ef9ca54 R08: 0000000000000001 R09: 0000000000000000 [ 59.065017] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.065908] R13: ffffffff84e223a0 R14: ffff88800ef9ca48 R15: ffffffff84da62e0 [ 59.066823] FS: 00005555567a3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.067835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.068567] CR2: 00007f8398cde6f4 CR3: 000000000dedc000 CR4: 0000000000350ee0 [ 59.069422] Call Trace: [ 59.069777] [ 59.070074] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.070720] ipv6_frags_init_net+0x206/0x3c0 [ 59.071280] ops_init+0xbb/0x6b0 [ 59.071751] setup_net+0x3d9/0x990 [ 59.072200] ? down_read_killable+0x1d7/0x4e0 [ 59.072796] ? __pfx_setup_net+0x10/0x10 [ 59.073301] ? copy_net_ns+0x17c/0x770 [ 59.073834] copy_net_ns+0x321/0x770 [ 59.074314] create_new_namespaces+0x3f6/0xb30 [ 59.074950] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.075599] ksys_unshare+0x44d/0x8e0 [ 59.076084] ? __pfx_ksys_unshare+0x10/0x10 [ 59.076656] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.077366] __x64_sys_unshare+0x31/0x40 [ 59.077914] do_syscall_64+0x3f/0x90 [ 59.078388] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.079062] RIP: 0033:0x7f94d3f1d0d7 [ 59.079555] 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 [ 59.081735] RSP: 002b:00007fff232678d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.082707] RAX: ffffffffffffffda RBX: 00007fff23267f18 RCX: 00007f94d3f1d0d7 [ 59.083592] RDX: 00007f94d3f8741f RSI: 00007fff23267870 RDI: 0000000040000000 [ 59.084443] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff23267680 [ 59.085332] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f94d402fbf0 [ 59.086218] R13: 00007fff232679b0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.087141] [ 59.087445] irq event stamp: 10229 [ 59.087900] hardirqs last enabled at (10241): [] __up_console_sem+0x78/0x80 [ 59.088957] hardirqs last disabled at (10252): [] __up_console_sem+0x5d/0x80 [ 59.090020] softirqs last enabled at (9726): [] irq_exit_rcu+0x93/0xc0 [ 59.091072] softirqs last disabled at (9703): [] irq_exit_rcu+0x93/0xc0 [ 59.092108] ---[ end trace 0000000000000000 ]--- [ 59.093411] ------------[ cut here ]------------ [ 59.094033] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.096059] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.097122] Modules linked in: [ 59.097558] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.098731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.099745] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.100384] 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 [ 59.102570] RSP: 0018:ffff88801f947bf0 EFLAGS: 00010286 [ 59.103244] RAX: 0000000000000000 RBX: ffff88800ef9c240 RCX: 0000000000000000 [ 59.104128] RDX: ffff888018e53680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.105006] RBP: ffff88800ef9c254 R08: 0000000000000001 R09: 0000000000000000 [ 59.105891] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.106784] R13: ffffffff84e223a0 R14: ffff88800ef9c248 R15: ffffffff84daf020 [ 59.107673] FS: 00005555567a3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.108658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.109367] CR2: 00007f8398cde6f4 CR3: 000000000dedc000 CR4: 0000000000350ee0 [ 59.110259] Call Trace: [ 59.110615] [ 59.110915] nf_ct_net_init+0x224/0x3d0 [ 59.111426] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.112024] ops_init+0xbb/0x6b0 [ 59.112473] setup_net+0x3d9/0x990 [ 59.112947] ? down_read_killable+0x1d7/0x4e0 [ 59.113541] ? __pfx_setup_net+0x10/0x10 [ 59.114046] ? copy_net_ns+0x17c/0x770 [ 59.114570] copy_net_ns+0x321/0x770 [ 59.115071] create_new_namespaces+0x3f6/0xb30 [ 59.115688] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.116303] ksys_unshare+0x44d/0x8e0 [ 59.116825] ? __pfx_ksys_unshare+0x10/0x10 [ 59.117374] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.118120] __x64_sys_unshare+0x31/0x40 [ 59.118670] do_syscall_64+0x3f/0x90 [ 59.119146] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.119808] RIP: 0033:0x7f94d3f1d0d7 [ 59.120275] 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 [ 59.122472] RSP: 002b:00007fff232678d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.123403] RAX: ffffffffffffffda RBX: 00007fff23267f18 RCX: 00007f94d3f1d0d7 [ 59.124301] RDX: 00007f94d3f8741f RSI: 00007fff23267870 RDI: 0000000040000000 [ 59.125188] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff23267680 [ 59.126082] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f94d402fbf0 [ 59.126983] R13: 00007fff232679b0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.127893] [ 59.128191] irq event stamp: 11033 [ 59.128657] hardirqs last enabled at (11045): [] __up_console_sem+0x78/0x80 [ 59.129726] hardirqs last disabled at (11056): [] __up_console_sem+0x5d/0x80 [ 59.130806] softirqs last enabled at (10940): [] irq_exit_rcu+0x93/0xc0 [ 59.131842] softirqs last disabled at (10931): [] irq_exit_rcu+0x93/0xc0 [ 59.132879] ---[ end trace 0000000000000000 ]--- executing program [ 60.641317] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.689084] Bluetooth: hci0: command 0x041b tx timeout [ 64.736622] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.784612] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:52:05 Registers: info registers vcpu 0 RAX=000000000002be37 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007f78eb070000 CR3=0000000015bd2000 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=7b814bf50bc38c88d046c8f6675eb140 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=82b5a7590968d2a0000000000013ce80 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f648fab697ff5aa400000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 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=ffff88801f9475f0 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 00005555567a3400 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=00007f8398cde6f4 CR3=000000000dedc000 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