Warning: Permanently added '[localhost]:17339' (ECDSA) to the list of known hosts. 2023/06/28 20:42:32 fuzzer started 2023/06/28 20:42:32 connecting to host at localhost:41257 2023/06/28 20:42:32 checking machine... 2023/06/28 20:42:32 checking revisions... 2023/06/28 20:42:32 testing simple program... [ 43.087972][ T5137] cgroup: Unknown subsys name 'net' [ 43.250889][ T5137] cgroup: Unknown subsys name 'rlimit' [ 44.097056][ T5137] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 44.102842][ T5132] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5132 'syz-fuzzer' [ 44.191948][ T5141] ================================================================================ [ 44.195404][ T5141] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 44.197938][ T5141] index 1 is out of range for type 'upid [1]' [ 44.200902][ T5141] CPU: 1 PID: 5141 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-02218-g1b2c92a1cb24 #0 [ 44.204806][ T5141] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 44.207958][ T5141] Call Trace: [ 44.209201][ T5141] [ 44.210303][ T5141] dump_stack_lvl+0x136/0x150 [ 44.212040][ T5141] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 44.214143][ T5141] ? ww_mutex_lock+0xe1/0x140 [ 44.215879][ T5141] alloc_pid+0xbe5/0xdd0 [ 44.217444][ T5141] ? copy_namespaces+0x1e3/0x500 [ 44.219204][ T5141] copy_process+0x4589/0x7620 [ 44.220917][ T5141] ? pidfd_prepare+0x80/0x80 [ 44.222597][ T5141] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 44.224802][ T5141] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 44.226949][ T5141] kernel_clone+0xeb/0x890 [ 44.228558][ T5141] ? create_io_thread+0xe0/0xe0 [ 44.230374][ T5141] ? ksys_unshare+0x676/0x920 [ 44.232045][ T5141] ? lock_downgrade+0x690/0x690 [ 44.233944][ T5141] ? do_raw_spin_lock+0x124/0x2b0 [ 44.235756][ T5141] ? spin_bug+0x1c0/0x1c0 [ 44.237316][ T5141] ? do_raw_spin_unlock+0x175/0x230 [ 44.239166][ T5141] __do_compat_sys_ia32_clone+0x9e/0xd0 [ 44.241514][ T5141] ? pci_biosrom_size+0x90/0x90 [ 44.243579][ T5141] ? unshare_fd+0x1c0/0x1c0 [ 44.245751][ T5141] ? syscall_enter_from_user_mode_prepare+0x1d/0x50 [ 44.248709][ T5141] ? lockdep_hardirqs_on+0x7d/0x100 [ 44.250710][ T5141] __do_fast_syscall_32+0x65/0xf0 [ 44.253067][ T5141] do_fast_syscall_32+0x33/0x70 [ 44.255388][ T5141] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 44.257848][ T5141] RIP: 0023:0xf7fb3579 [ 44.259289][ T5141] 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 [ 44.266406][ T5141] RSP: 002b:00000000ffc37310 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 [ 44.269342][ T5141] RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 [ 44.272161][ T5141] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000583e93e8 [ 44.274972][ T5141] RBP: 00000000f734e000 R08: 0000000000000000 R09: 0000000000000000 [ 44.277755][ T5141] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 44.280508][ T5141] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.283280][ T5141] [ 44.284640][ T5141] ================================================================================ [ 44.287913][ T5141] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 44.290504][ T5141] CPU: 1 PID: 5141 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-02218-g1b2c92a1cb24 #0 [ 44.293998][ T5141] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 44.297171][ T5141] Call Trace: [ 44.298361][ T5141] [ 44.299410][ T5141] dump_stack_lvl+0xd9/0x150 [ 44.301053][ T5141] panic+0x686/0x730 [ 44.302450][ T5141] ? panic_smp_self_stop+0xa0/0xa0 [ 44.304282][ T5141] ? syslog_print_all+0x3a0/0x3a0 [ 44.306086][ T5141] check_panic_on_warn+0xb1/0xc0 [ 44.307869][ T5141] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 44.309963][ T5141] ? ww_mutex_lock+0xe1/0x140 [ 44.311633][ T5141] alloc_pid+0xbe5/0xdd0 [ 44.313145][ T5141] ? copy_namespaces+0x1e3/0x500 [ 44.314948][ T5141] copy_process+0x4589/0x7620 [ 44.316616][ T5141] ? pidfd_prepare+0x80/0x80 [ 44.318291][ T5141] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 44.320409][ T5141] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 44.322527][ T5141] kernel_clone+0xeb/0x890 [ 44.324103][ T5141] ? create_io_thread+0xe0/0xe0 [ 44.325873][ T5141] ? ksys_unshare+0x676/0x920 [ 44.327539][ T5141] ? lock_downgrade+0x690/0x690 [ 44.329287][ T5141] ? do_raw_spin_lock+0x124/0x2b0 [ 44.331101][ T5141] ? spin_bug+0x1c0/0x1c0 [ 44.332625][ T5141] ? do_raw_spin_unlock+0x175/0x230 [ 44.334524][ T5141] __do_compat_sys_ia32_clone+0x9e/0xd0 [ 44.336474][ T5141] ? pci_biosrom_size+0x90/0x90 [ 44.338221][ T5141] ? unshare_fd+0x1c0/0x1c0 [ 44.339851][ T5141] ? syscall_enter_from_user_mode_prepare+0x1d/0x50 [ 44.342184][ T5141] ? lockdep_hardirqs_on+0x7d/0x100 [ 44.344057][ T5141] __do_fast_syscall_32+0x65/0xf0 [ 44.345907][ T5141] do_fast_syscall_32+0x33/0x70 [ 44.347680][ T5141] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 44.350132][ T5141] RIP: 0023:0xf7fb3579 [ 44.351603][ T5141] 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 [ 44.358459][ T5141] RSP: 002b:00000000ffc37310 EFLAGS: 00000206 ORIG_RAX: 0000000000000078 [ 44.361310][ T5141] RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 [ 44.364116][ T5141] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000583e93e8 [ 44.366914][ T5141] RBP: 00000000f734e000 R08: 0000000000000000 R09: 0000000000000000 [ 44.369726][ T5141] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 44.372567][ T5141] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.375409][ T5141] Connection to localhost closed by remote host. [ 44.377547 VM DIAGNOSIS: 20:42:33 Registers: info registers vcpu 0 RAX=0000000000033e0d RBX=ffffe8ffad621e00 RCX=ffffffff8a1534b5 RDX=0000000000000002 RSI=ffffffff8d1edaa0 RDI=ffffe8ffad621e00 RBP=ffffffff8d1edaa0 RSP=ffffffff8c407d78 R8 =0000000000000001 R9 =ffffed10058c6d9d R10=ffff88802c636ceb R11=0000000000000001 R12=0000000000000002 R13=ffffffff8d1edb88 R14=0000000000000002 R15=0000000000000000 RIP=ffffffff8a1552d3 RFL=00000242 [---Z---] 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=00007ffe8f2fca28 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=00001fa1 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=0000000000000000410d990000000000 XMM03=00000000000000003f95c7d7a5d87779 XMM04=00000000000000003fe0000000000000 XMM05=000000c000c77400000000c000c76400 XMM06=000000c000ca0000000000c000c9f000 XMM07=000000c000c56800000000c000ca0c00 XMM08=000000c000c88000000000c000c7a800 XMM09=000000c000ca5800000000c000c8b400 XMM10=000000c0002e0600000000c000c7e900 XMM11=000000c000ca4c00000000c00035e600 XMM12=000000c00035e740000000c000c7e920 XMM13=000000c000d0d000000000c0003666e0 XMM14=000000c000c49800000000c000c48000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff848a25f5 RDI=ffffffff921cfa60 RBP=ffffffff921cfa20 RSP=ffffc90003daf670 R8 =0000000000000001 R9 =000000000000001f R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=0000000000000020 R14=ffffffff848a2590 R15=0000000000000000 RIP=ffffffff848a261f 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=0000000048a2e000 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=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 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 2 RAX=000000000003d86d RBX=ffffe8ffad821e00 RCX=ffffffff8a1534b5 RDX=0000000000000002 RSI=ffffffff8d1edaa0 RDI=ffffe8ffad821e00 RBP=ffffffff8d1edaa0 RSP=ffffc90000477d78 R8 =0000000000000001 R9 =ffffed1005906d9d R10=ffff88802c836ceb R11=0000000000000001 R12=0000000000000002 R13=ffffffff8d1edb88 R14=0000000000000002 R15=0000000000000000 RIP=ffffffff8a1552d3 RFL=00000242 [---Z---] 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=000000c000d56000 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=00001fa1 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=31636e75662e6e75522e6c697475736f XMM03=00000000000000000000000000000000 XMM04=000000c000540b60000000c00053fa00 XMM05=000000c00053bc70000000c000531790 XMM06=000000c00053cc30000000c000536680 XMM07=000000c000540750000000c000531ad0 XMM08=000000c000535860000000c000537860 XMM09=000000c00053b110000000c000536750 XMM10=000000c00053bad0000000c000530820 XMM11=000000c00053a4e0000000c00053add0 XMM12=000000c000531c70000000c00053b1e0 XMM13=000000c0005308f0000000c00053d520 XMM14=000000c00053aea0000000c000530410 XMM15=00000000000000000000000000000000 info registers vcpu 3 RAX=0000000000033349 RBX=ffffe8ffad921e00 RCX=ffffffff8a1534b5 RDX=0000000000000002 RSI=ffffffff8d1edaa0 RDI=ffffe8ffad921e00 RBP=ffffffff8d1edaa0 RSP=ffffc90000487d78 R8 =0000000000000001 R9 =ffffed1005926d9d R10=ffff88802c936ceb R11=0000000000000001 R12=0000000000000002 R13=ffffffff8d1edb88 R14=0000000000000002 R15=0000000000000000 RIP=ffffffff8a1552d3 RFL=00000242 [---Z---] 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=00000000f72a1b50 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=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=00000000000000000000000000000001 XMM01=00007ffc6be62f400000003000000018 XMM02=65656565656565656565656565656565 XMM03=00000000000000000000000000000000 XMM04=ff00ff00000000000000000000000000 XMM05=ffffffffffffffffffffffffffff0000 XMM06=ff00ff00000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000