[ 44.683086][ T38] audit: type=1400 audit(1665941551.948:74): avc: denied { write } for pid=3565 comm="sh" path="pipe:[30726]" dev="pipefs" ino=30726 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '[localhost]:63417' (ECDSA) to the list of known hosts. [ 46.676761][ T38] audit: type=1400 audit(1665941553.948:75): avc: denied { execute } for pid=3575 comm="sh" name="syz-fuzzer" dev="sda1" ino=1134 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 46.694493][ T38] audit: type=1400 audit(1665941553.948:76): avc: denied { execute_no_trans } for pid=3575 comm="sh" path="/syz-fuzzer" dev="sda1" ino=1134 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 2022/10/16 17:32:34 fuzzer started [ 47.111843][ T3584] ------------[ cut here ]------------ [ 47.115315][ T3584] WARNING: CPU: 3 PID: 3584 at include/linux/cpumask.h:110 c_start+0x152/0x1b0 [ 47.121418][ T3584] Modules linked in: [ 47.125041][ T3584] CPU: 2 PID: 3584 Comm: syz-fuzzer Not tainted 6.0.0-syzkaller-12196-g1501278bb7ba #0 [ 47.133441][ T3584] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 47.139079][ T3584] RIP: 0010:c_start+0x152/0x1b0 [ 47.142101][ T3584] Code: a0 68 99 8b e8 8f b0 4b 00 5b 5d 4c 89 e0 41 5c 41 5d c3 e8 80 b0 4b 00 45 31 e4 5b 4c 89 e0 5d 41 5c 41 5d c3 e8 6e b0 4b 00 <0f> 0b e9 1e ff ff ff 48 c7 c7 80 5b e1 8d e8 cb 38 97 00 e9 6b ff [ 47.153871][ T3584] RSP: 0018:ffffc90002f67c70 EFLAGS: 00010293 [ 47.157774][ T3584] RAX: 0000000000000000 RBX: ffffffff8de15b80 RCX: 0000000000000000 [ 47.162800][ T3584] RDX: ffff8880160881c0 RSI: ffffffff812ffc02 RDI: 0000000000000004 [ 47.168199][ T3584] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000008 [ 47.174235][ T3584] R10: 0000000000000008 R11: 0000000000000001 R12: ffff88801c333e08 [ 47.180258][ T3584] R13: 0000000000000008 R14: ffff888024a7707c R15: 0000000000000000 [ 47.185198][ T3584] FS: 000000c00004e490(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 [ 47.190650][ T3584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.194387][ T3584] CR2: 0000000000dc3f13 CR3: 000000002177b000 CR4: 0000000000150ee0 [ 47.199156][ T3584] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.203989][ T3584] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.209667][ T3584] Call Trace: [ 47.212011][ T3584] [ 47.213868][ T3584] seq_read_iter+0x2c6/0x1280 [ 47.216656][ T3584] ? inode_security+0x105/0x130 [ 47.219911][ T3584] proc_reg_read_iter+0x111/0x2d0 [ 47.222875][ T3584] vfs_read+0x67d/0x930 [ 47.225359][ T3584] ? kernel_read+0x1c0/0x1c0 [ 47.228327][ T3584] ? __fget_files+0x26a/0x440 [ 47.231315][ T3584] ksys_read+0x127/0x250 [ 47.233966][ T3584] ? vfs_write+0xdd0/0xdd0 [ 47.236734][ T3584] ? syscall_enter_from_user_mode+0x22/0xb0 [ 47.240402][ T3584] ? trace_hardirqs_on+0x2d/0x160 [ 47.243482][ T3584] do_syscall_64+0x35/0xb0 [ 47.246226][ T3584] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 47.249879][ T3584] RIP: 0033:0x4ae09b [ 47.252291][ T3584] Code: e8 ea 57 fb ff eb 88 cc cc cc cc cc cc cc cc e8 fb 9b fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 47.264172][ T3584] RSP: 002b:000000c00008f3b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 47.269030][ T3584] RAX: ffffffffffffffda RBX: 000000c00003c000 RCX: 00000000004ae09b [ 47.273754][ T3584] RDX: 0000000000000b49 RSI: 000000c00058e4b7 RDI: 0000000000000003 [ 47.278931][ T3584] RBP: 000000c00008f408 R08: 0000000000000001 R09: 000000c0000986c0 [ 47.283819][ T3584] R10: 0000000000000b49 R11: 0000000000000212 R12: 000000c00008f570 [ 47.288787][ T3584] R13: 0000000000000000 R14: 000000c0000001a0 R15: 00007f734a028fb0 [ 47.293681][ T3584] [ 47.295560][ T3584] Kernel panic - not syncing: panic_on_warn set ... [ 47.299772][ T3584] CPU: 2 PID: 3584 Comm: syz-fuzzer Not tainted 6.0.0-syzkaller-12196-g1501278bb7ba #0 [ 47.305775][ T3584] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 47.311228][ T3584] Call Trace: [ 47.313826][ T3584] [ 47.316204][ T3584] dump_stack_lvl+0xcd/0x134 [ 47.319033][ T3584] panic+0x2c8/0x622 [ 47.321237][ T3584] ? panic_print_sys_info.part.0+0x110/0x110 [ 47.324952][ T3584] ? __warn.cold+0x24b/0x350 [ 47.327795][ T3584] ? c_start+0x152/0x1b0 [ 47.330428][ T3584] __warn.cold+0x25c/0x350 [ 47.333173][ T3584] ? c_start+0x152/0x1b0 [ 47.335794][ T3584] report_bug+0x1bc/0x210 [ 47.338508][ T3584] handle_bug+0x3c/0x70 [ 47.341067][ T3584] exc_invalid_op+0x14/0x40 [ 47.343873][ T3584] asm_exc_invalid_op+0x16/0x20 [ 47.346885][ T3584] RIP: 0010:c_start+0x152/0x1b0 [ 47.349754][ T3584] Code: a0 68 99 8b e8 8f b0 4b 00 5b 5d 4c 89 e0 41 5c 41 5d c3 e8 80 b0 4b 00 45 31 e4 5b 4c 89 e0 5d 41 5c 41 5d c3 e8 6e b0 4b 00 <0f> 0b e9 1e ff ff ff 48 c7 c7 80 5b e1 8d e8 cb 38 97 00 e9 6b ff [ 47.361508][ T3584] RSP: 0018:ffffc90002f67c70 EFLAGS: 00010293 [ 47.365227][ T3584] RAX: 0000000000000000 RBX: ffffffff8de15b80 RCX: 0000000000000000 [ 47.370079][ T3584] RDX: ffff8880160881c0 RSI: ffffffff812ffc02 RDI: 0000000000000004 [ 47.374723][ T3584] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000008 [ 47.379436][ T3584] R10: 0000000000000008 R11: 0000000000000001 R12: ffff88801c333e08 [ 47.384205][ T3584] R13: 0000000000000008 R14: ffff888024a7707c R15: 0000000000000000 [ 47.389019][ T3584] ? c_start+0x152/0x1b0 [ 47.391626][ T3584] seq_read_iter+0x2c6/0x1280 [ 47.394549][ T3584] ? inode_security+0x105/0x130 [ 47.397216][ T3584] proc_reg_read_iter+0x111/0x2d0 [ 47.400105][ T3584] vfs_read+0x67d/0x930 [ 47.402558][ T3584] ? kernel_read+0x1c0/0x1c0 [ 47.405399][ T3584] ? __fget_files+0x26a/0x440 [ 47.408325][ T3584] ksys_read+0x127/0x250 [ 47.410849][ T3584] ? vfs_write+0xdd0/0xdd0 [ 47.413346][ T3584] ? syscall_enter_from_user_mode+0x22/0xb0 [ 47.417649][ T3584] ? trace_hardirqs_on+0x2d/0x160 [ 47.421091][ T3584] do_syscall_64+0x35/0xb0 [ 47.423720][ T3584] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 47.427096][ T3584] RIP: 0033:0x4ae09b [ 47.429239][ T3584] Code: e8 ea 57 fb ff eb 88 cc cc cc cc cc cc cc cc e8 fb 9b fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 47.441221][ T3584] RSP: 002b:000000c00008f3b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 47.446376][ T3584] RAX: ffffffffffffffda RBX: 000000c00003c000 RCX: 00000000004ae09b [ 47.451125][ T3584] RDX: 0000000000000b49 RSI: 000000c00058e4b7 RDI: 0000000000000003 [ 47.455662][ T3584] RBP: 000000c00008f408 R08: 0000000000000001 R09: 000000c0000986c0 [ 47.460511][ T3584] R10: 0000000000000b49 R11: 0000000000000212 R12: 000000c00008f570 [ 47.465032][ T3584] R13: 0000000000000000 R14: 000000c0000001a0 R15: 00007f734a028fb0 [ 47.469867][ T3584] [ 47.472949][ T3584] Kernel Offset: disabled [ 47.475667][ T3584] Rebooting in 86400 seconds.. VM DIAGNOSIS: 17:32:34 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff8bcbc9c0 RCX=ffffffff898d9d75 RDX=ffffed100590698a RSI=0000000000000000 RDI=ffffffff8990bc8f RBP=dffffc0000000000 RSP=ffffffff8bc07e10 R8 =0000000000000000 R9 =ffff88802c834c4b R10=ffffed1005906989 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffffffff8de15990 R15=0000000000000000 RIP=ffffffff8990b37b 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 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f736c7750c0 CR3=000000002177b000 CR4=00150ef0 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=00000000000000003fb79c73a2f3429f XMM01=000000000000000041cf2bedf4000000 XMM02=000000000000000041526de71999999a XMM03=00000000000000003fde666666666666 XMM04=00000000000000003fd21b2d63a3fce5 XMM05=000000c000060110000000c0003701d0 XMM06=00000000000000003fd3333333333333 XMM07=00000000000000003fd2646f4f9d77e1 XMM08=00000000000000003fe1712d122b9448 XMM09=00000000000000003fb1efcef7c308a8 XMM10=00000000000000003fd666d6cfb98f6e XMM11=000000c0003701a0000000c000370190 XMM12=000000c0003701d0000000c0003701e0 XMM13=000000c000060100000000c000060110 XMM14=000000c00010a590000000c0004c47f0 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff8880125021c0 RCX=ffffffff898d9d75 RDX=ffffed100592698a RSI=0000000000000000 RDI=ffffffff8990bc8f RBP=dffffc0000000000 RSP=ffffc9000066fdf8 R8 =0000000000000000 R9 =ffff88802c934c4b R10=ffffed1005926989 R11=0000000000000001 R12=0000000000000001 R13=0000000000000001 R14=ffffffff8de15990 R15=0000000000000000 RIP=ffffffff8990b37b 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 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000000000d12cc7 CR3=000000002177b000 CR4=00150ee0 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=e07630b3b03c4adf7539762277847a7f XMM01=00000000000000000000000000000000 XMM02=0000000000000000414fffffe0000000 XMM03=32322035312e322e302e303120343131 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=0000000000000038 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8462b6a1 RDI=ffffffff914cd720 RBP=ffffffff914cd6e0 RSP=ffffc90002f67600 R8 =0000000000000001 R9 =000000000000001f R10=0000000000000000 R11=502032203a555043 R12=0000000000000000 R13=0000000000000038 R14=ffffffff8462b640 R15=0000000000000000 RIP=ffffffff8462b6cb RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 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 000000c00004e490 ffffffff 00c00000 GS =0000 ffff88802ca00000 ffffffff 00c00000 LDT=0000 0000000000000000 00000000 00000000 TR =0040 fffffe0000091000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe000008f000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000000000dc3f13 CR3=000000002177b000 CR4=00150ee0 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=0a3e72742f3c09090909090a3e64742f 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 3 RAX=0000000000000003 RBX=ffff888012506240 RCX=ffffffff898d9d75 RDX=ffffed100596698a RSI=0000000000000000 RDI=ffffffff8990bc8f RBP=dffffc0000000000 RSP=ffffc9000068fdf8 R8 =0000000000000000 R9 =ffff88802cb34c4b R10=ffffed1005966989 R11=0000000000000001 R12=0000000000000003 R13=0000000000000003 R14=ffffffff8de15990 R15=0000000000000000 RIP=ffffffff8990b37b 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 ffff88802cb00000 ffffffff 00c00000 LDT=0000 0000000000000000 00000000 00000000 TR =0040 fffffe00000d8000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe00000d6000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000000c00008f620 CR3=000000002177b000 CR4=00150ee0 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=0a3e72742f3c09090909090a3e64742f 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