Warning: Permanently added '[localhost]:23676' (ECDSA) to the list of known hosts. 2023/06/29 18:22:08 fuzzer started 2023/06/29 18:22:08 connecting to host at localhost:33529 2023/06/29 18:22:08 checking machine... 2023/06/29 18:22:08 checking revisions... 2023/06/29 18:22:08 testing simple program... [ 43.024430][ T5138] cgroup: Unknown subsys name 'net' [ 43.184611][ T5138] cgroup: Unknown subsys name 'rlimit' [ 44.076927][ T5138] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 44.085552][ T5135] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5135 'syz-fuzzer' [ 44.185812][ T5144] ================================================================================ [ 44.189782][ T5144] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 44.192278][ T5144] index 1 is out of range for type 'upid [1]' [ 44.195348][ T5144] CPU: 1 PID: 5144 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04630-g86e203edf24b #0 [ 44.199086][ T5144] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 44.202211][ T5144] Call Trace: [ 44.203393][ T5144] [ 44.204444][ T5144] dump_stack_lvl+0x136/0x150 [ 44.206148][ T5144] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 44.208252][ T5144] ? __rt_mutex_futex_unlock+0xa1/0x1f0 [ 44.210224][ T5144] alloc_pid+0xbe5/0xdd0 [ 44.211711][ T5144] ? copy_namespaces+0x1e3/0x500 [ 44.213480][ T5144] copy_process+0x4589/0x7620 [ 44.215319][ T5144] ? pidfd_prepare+0x80/0x80 [ 44.216999][ T5144] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 44.219159][ T5144] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 44.221347][ T5144] kernel_clone+0xeb/0x890 [ 44.222933][ T5144] ? create_io_thread+0xe0/0xe0 [ 44.224693][ T5144] ? ksys_unshare+0x676/0x920 [ 44.226471][ T5144] ? lock_downgrade+0x690/0x690 [ 44.228203][ T5144] ? do_raw_spin_lock+0x124/0x2b0 [ 44.229965][ T5144] ? spin_bug+0x1c0/0x1c0 [ 44.231597][ T5144] ? do_raw_spin_unlock+0x175/0x230 [ 44.233875][ T5144] __do_compat_sys_ia32_clone+0x9e/0xd0 [ 44.236390][ T5144] ? pci_biosrom_size+0x90/0x90 [ 44.238482][ T5144] ? unshare_fd+0x1c0/0x1c0 [ 44.240416][ T5144] ? syscall_enter_from_user_mode_prepare+0x1d/0x50 [ 44.243289][ T5144] ? lockdep_hardirqs_on+0x7d/0x100 [ 44.245567][ T5144] __do_fast_syscall_32+0x65/0xf0 [ 44.247607][ T5144] do_fast_syscall_32+0x33/0x70 [ 44.249340][ T5144] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 44.251735][ T5144] RIP: 0023:0xf7f6f579 [ 44.253565][ T5144] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 44.261678][ T5144] RSP: 002b:00000000ffd6e180 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 [ 44.264656][ T5144] RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 [ 44.267395][ T5144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000573813e8 [ 44.270159][ T5144] RBP: 00000000f734e000 R08: 0000000000000000 R09: 0000000000000000 [ 44.273598][ T5144] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 44.276998][ T5144] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.280574][ T5144] [ 44.282484][ T5144] ================================================================================ [ 44.285885][ T5144] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 44.289214][ T5144] CPU: 3 PID: 5144 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04630-g86e203edf24b #0 [ 44.293590][ T5144] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 44.296743][ T5144] Call Trace: [ 44.297973][ T5144] [ 44.299306][ T5144] dump_stack_lvl+0xd9/0x150 [ 44.301363][ T5144] panic+0x686/0x730 [ 44.302761][ T5144] ? panic_smp_self_stop+0xa0/0xa0 [ 44.304553][ T5144] ? syslog_print_all+0x3a0/0x3a0 [ 44.306613][ T5144] check_panic_on_warn+0xb1/0xc0 [ 44.308818][ T5144] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 44.310933][ T5144] ? __rt_mutex_futex_unlock+0xa1/0x1f0 [ 44.312892][ T5144] alloc_pid+0xbe5/0xdd0 [ 44.314426][ T5144] ? copy_namespaces+0x1e3/0x500 [ 44.316156][ T5144] copy_process+0x4589/0x7620 [ 44.317872][ T5144] ? pidfd_prepare+0x80/0x80 [ 44.320005][ T5144] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 44.322420][ T5144] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 44.324618][ T5144] kernel_clone+0xeb/0x890 [ 44.326181][ T5144] ? create_io_thread+0xe0/0xe0 [ 44.328000][ T5144] ? ksys_unshare+0x676/0x920 [ 44.329906][ T5144] ? lock_downgrade+0x690/0x690 [ 44.331866][ T5144] ? do_raw_spin_lock+0x124/0x2b0 [ 44.333945][ T5144] ? spin_bug+0x1c0/0x1c0 [ 44.335977][ T5144] ? do_raw_spin_unlock+0x175/0x230 [ 44.338333][ T5144] __do_compat_sys_ia32_clone+0x9e/0xd0 [ 44.340845][ T5144] ? pci_biosrom_size+0x90/0x90 [ 44.343055][ T5144] ? unshare_fd+0x1c0/0x1c0 [ 44.345161][ T5144] ? syscall_enter_from_user_mode_prepare+0x1d/0x50 [ 44.348087][ T5144] ? lockdep_hardirqs_on+0x7d/0x100 [ 44.349945][ T5144] __do_fast_syscall_32+0x65/0xf0 [ 44.351768][ T5144] do_fast_syscall_32+0x33/0x70 [ 44.353510][ T5144] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 44.356036][ T5144] RIP: 0023:0xf7f6f579 [ 44.357861][ T5144] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 44.366358][ T5144] RSP: 002b:00000000ffd6e180 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 [ 44.369941][ T5144] RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 [ 44.373442][ T5144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000573813e8 [ 44.376828][ T5144] RBP: 00000000f734e000 R08: 0000000000000000 R09: 0000000000000000 [ 44.380343][ T5144] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 44.383752][ T5144] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.387352][ T5144] Connection to localhost closed by remote host. [ VM DIAGNOSIS: 18:22:09 Registers: info registers vcpu 0 RAX=0000000000036547 RBX=ffffe8ffad621e00 RCX=ffffffff8a179675 RDX=0000000000000002 RSI=ffffffff8d1f05c0 RDI=ffffe8ffad621e00 RBP=ffffffff8d1f05c0 RSP=ffffffff8c407d78 R8 =0000000000000001 R9 =ffffed10058c6d9d R10=ffff88802c636ceb R11=0000000000000001 R12=0000000000000002 R13=ffffffff8d1f06a8 R14=0000000000000002 R15=0000000000000000 RIP=ffffffff8a17b493 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff88802c600000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000000c000083008 CR3=000000000c575000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001fa0 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=00000000122828a40000000000000000 XMM01=0000000000000000402f53f7c0000000 XMM02=00007ffedb5fd4c00000003000000010 XMM03=0000000000000000000000000000c0fe XMM04=0000000000000000000000000000c0fe XMM05=020000000000000000000000000080fe XMM06=020000000000000000000000000080fe XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000006e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff848a7785 RDI=ffffffff921dc260 RBP=ffffffff921dc220 RSP=ffffc90003957670 R8 =0000000000000001 R9 =000000000000001f R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=000000000000006e R14=ffffffff848a7720 R15=0000000000000000 RIP=ffffffff848a77af RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] FS =0000 0000000000000000 ffffffff 00c00000 GS =0063 ffff88802c700000 ffffffff 00d0f300 DPL=3 DS [-WA] LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00000000f737afa0 CR3=0000000000610000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 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=179ea92a179ea92a7faade0053a28122 XMM01=b17fa2abf26afd6af23cb6b7d69a632a XMM02=b9dd3de57ecdbc3aade31f55b90a9136 XMM03=0faf76c384c62524b37bc12500d682a3 XMM04=ffadc7a28cfa816c684ada7f9f088bcf XMM05=c7007a08f9f975817aa0e4d35e840758 XMM06=b939650e94a8dd2b8cb8014486dfa930 XMM07=ade31f55b90a9136f23cb6b7d69a632a XMM08=0c0d0e0f08090a0b0405060700010203 XMM09=a01dc5bb224f481c756eead76c4b13d5 XMM10=18a73beed1dbe49e71dc9e955dbcff7f XMM11=00000000000000000000000001f0620c XMM12=00000000000000060000000000a523e5 XMM13=00000000000000000000000001f0620a XMM14=00000000000000040000000000a4db3f XMM15=00000000000000000000000000000000 info registers vcpu 2 RAX=000000000003d241 RBX=ffffe8ffad821e00 RCX=ffffffff8a179675 RDX=0000000000000002 RSI=ffffffff8d1f05c0 RDI=ffffe8ffad821e00 RBP=ffffffff8d1f05c0 RSP=ffffc90000477d78 R8 =0000000000000001 R9 =ffffed1005906d9d R10=ffff88802c836ceb R11=0000000000000001 R12=0000000000000002 R13=ffffffff8d1f06a8 R14=0000000000000002 R15=0000000000000000 RIP=ffffffff8a17b493 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff88802c800000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000091000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe000008f000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055af2228dd9d CR3=000000000c575000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001fa0 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=532e29646d432a282e636578652f736f XMM03=00000000000000000000000000000000 XMM04=64333164313966636435666331323161 XMM05=35323063646434333120303765326432 XMM06=34366666373364373238663733386266 XMM07=0a353731343535396134393735386134 XMM08=00000000000000060000000000a52559 XMM09=00000000000000000000000001f0620b XMM10=00000000000000030000000000a4c7d9 XMM11=00000000000000000000000001f0620c XMM12=00000000000000060000000000a523e5 XMM13=00000000000000000000000001f0620a XMM14=00000000000000040000000000a4db3f XMM15=00000000000000000000000000000000 info registers vcpu 3 RAX=000000000003617d RBX=ffffe8ffad921e00 RCX=ffffffff8a179675 RDX=0000000000000002 RSI=ffffffff8d1f05c0 RDI=ffffe8ffad921e00 RBP=ffffffff8d1f05c0 RSP=ffffc90000487d78 R8 =0000000000000001 R9 =ffffed1005926d9d R10=ffff88802c936ceb R11=0000000000000001 R12=0000000000000002 R13=ffffffff8d1f06a8 R14=0000000000000002 R15=0000000000000000 RIP=ffffffff8a17b493 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff88802c900000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe00000d8000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe00000d6000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5d97734680 CR3=000000000c575000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001fa0 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=97d0c317f4968a5e107a89b4045f2e6e XMM01=00000000000000000000000000000000 XMM02=000000000000000041029eb2d2ef9934 XMM03=32322035312e322e302e303120383435 XMM04=00000000000000050000000000a4fb49 XMM05=00000000000000000000000001f06210 XMM06=00000000000000050000000000a4fb4e XMM07=00000000000000000000000001f0620e XMM08=00000000000000060000000000a52559 XMM09=00000000000000000000000001f0620b XMM10=00000000000000030000000000a4c7d9 XMM11=00000000000000000000000001f0620c XMM12=00000000000000060000000000a523e5 XMM13=00000000000000000000000001f0620a XMM14=00000000000000040000000000a4db3f XMM15=00000000000000000000000000000000