[ 45.088772][ T38] audit: type=1400 audit(1665940658.945:74): avc: denied { write } for pid=3569 comm="sh" path="pipe:[2922]" dev="pipefs" ino=2922 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '[localhost]:55288' (ECDSA) to the list of known hosts. [ 47.879228][ T38] audit: type=1400 audit(1665940661.745:75): avc: denied { execute } for pid=3611 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 [ 47.893664][ T38] audit: type=1400 audit(1665940661.745:76): avc: denied { execute_no_trans } for pid=3611 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 17:17:41 fuzzer started [ 48.320903][ T3630] ------------[ cut here ]------------ [ 48.326654][ T3630] WARNING: CPU: 2 PID: 3630 at include/linux/cpumask.h:110 c_start+0x152/0x1b0 [ 48.333450][ T3630] Modules linked in: [ 48.337771][ T3630] CPU: 2 PID: 3630 Comm: syz-fuzzer Not tainted 6.0.0-syzkaller-12196-g1501278bb7ba #0 [ 48.347502][ T3630] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 48.353841][ T3630] RIP: 0010:c_start+0x152/0x1b0 [ 48.358092][ T3630] 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 [ 48.370589][ T3630] RSP: 0018:ffffc90002f17c70 EFLAGS: 00010293 [ 48.374486][ T3630] RAX: 0000000000000000 RBX: ffffffff8de15b80 RCX: 0000000000000000 [ 48.379263][ T3630] RDX: ffff88801b900100 RSI: ffffffff812ffc02 RDI: 0000000000000004 [ 48.384425][ T3630] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000008 [ 48.389209][ T3630] R10: 0000000000000008 R11: 0000000000000001 R12: ffff888022aee1d0 [ 48.394248][ T3630] R13: 0000000000000008 R14: ffff88801afef37c R15: 0000000000000000 [ 48.399772][ T3630] FS: 000000c000080090(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 [ 48.405743][ T3630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.410320][ T3630] CR2: 000000c000407000 CR3: 0000000025d36000 CR4: 0000000000150ee0 [ 48.415495][ T3630] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.420463][ T3630] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.425434][ T3630] Call Trace: [ 48.427547][ T3630] [ 48.429424][ T3630] seq_read_iter+0x2c6/0x1280 [ 48.432595][ T3630] ? inode_security+0x105/0x130 [ 48.435930][ T3630] proc_reg_read_iter+0x111/0x2d0 [ 48.439125][ T3630] vfs_read+0x67d/0x930 [ 48.441801][ T3630] ? kernel_read+0x1c0/0x1c0 [ 48.444530][ T3630] ? __fget_files+0x26a/0x440 [ 48.447588][ T3630] ksys_read+0x127/0x250 [ 48.450249][ T3630] ? vfs_write+0xdd0/0xdd0 [ 48.452889][ T3630] ? syscall_enter_from_user_mode+0x22/0xb0 [ 48.456550][ T3630] ? trace_hardirqs_on+0x2d/0x160 [ 48.459601][ T3630] do_syscall_64+0x35/0xb0 [ 48.462320][ T3630] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 48.466102][ T3630] RIP: 0033:0x4ae09b [ 48.468550][ T3630] 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 [ 48.481364][ T3630] RSP: 002b:000000c0007133b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 48.486741][ T3630] RAX: ffffffffffffffda RBX: 000000c00003c000 RCX: 00000000004ae09b [ 48.491676][ T3630] RDX: 0000000000000b49 RSI: 000000c00059e4b7 RDI: 0000000000000003 [ 48.497484][ T3630] RBP: 000000c000713408 R08: 0000000000000001 R09: 000000c000099080 [ 48.502421][ T3630] R10: 0000000000000b49 R11: 0000000000000212 R12: 000000c000713570 [ 48.507478][ T3630] R13: 0000000000000000 R14: 000000c0000001a0 R15: 00007f7eba224b8c [ 48.512715][ T3630] [ 48.514766][ T3630] Kernel panic - not syncing: panic_on_warn set ... [ 48.518994][ T3630] CPU: 2 PID: 3630 Comm: syz-fuzzer Not tainted 6.0.0-syzkaller-12196-g1501278bb7ba #0 [ 48.524687][ T3630] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 48.530136][ T3630] Call Trace: [ 48.532253][ T3630] [ 48.533978][ T3630] dump_stack_lvl+0xcd/0x134 [ 48.537283][ T3630] panic+0x2c8/0x622 [ 48.540396][ T3630] ? panic_print_sys_info.part.0+0x110/0x110 [ 48.544833][ T3630] ? __warn.cold+0x24b/0x350 [ 48.547638][ T3630] ? c_start+0x152/0x1b0 [ 48.550079][ T3630] __warn.cold+0x25c/0x350 [ 48.552637][ T3630] ? c_start+0x152/0x1b0 [ 48.555029][ T3630] report_bug+0x1bc/0x210 [ 48.558413][ T3630] handle_bug+0x3c/0x70 [ 48.562620][ T3630] exc_invalid_op+0x14/0x40 [ 48.566944][ T3630] asm_exc_invalid_op+0x16/0x20 [ 48.570771][ T3630] RIP: 0010:c_start+0x152/0x1b0 [ 48.574632][ T3630] 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 [ 48.590914][ T3630] RSP: 0018:ffffc90002f17c70 EFLAGS: 00010293 [ 48.595973][ T3630] RAX: 0000000000000000 RBX: ffffffff8de15b80 RCX: 0000000000000000 [ 48.601612][ T3630] RDX: ffff88801b900100 RSI: ffffffff812ffc02 RDI: 0000000000000004 [ 48.607233][ T3630] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000008 [ 48.612317][ T3630] R10: 0000000000000008 R11: 0000000000000001 R12: ffff888022aee1d0 [ 48.617383][ T3630] R13: 0000000000000008 R14: ffff88801afef37c R15: 0000000000000000 [ 48.622540][ T3630] ? c_start+0x152/0x1b0 [ 48.625172][ T3630] seq_read_iter+0x2c6/0x1280 [ 48.628031][ T3630] ? inode_security+0x105/0x130 [ 48.631184][ T3630] proc_reg_read_iter+0x111/0x2d0 [ 48.634390][ T3630] vfs_read+0x67d/0x930 [ 48.637078][ T3630] ? kernel_read+0x1c0/0x1c0 [ 48.640010][ T3630] ? __fget_files+0x26a/0x440 [ 48.643045][ T3630] ksys_read+0x127/0x250 [ 48.645832][ T3630] ? vfs_write+0xdd0/0xdd0 [ 48.648648][ T3630] ? syscall_enter_from_user_mode+0x22/0xb0 [ 48.652375][ T3630] ? trace_hardirqs_on+0x2d/0x160 [ 48.655554][ T3630] do_syscall_64+0x35/0xb0 [ 48.658353][ T3630] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 48.662073][ T3630] RIP: 0033:0x4ae09b [ 48.664543][ T3630] 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 [ 48.676333][ T3630] RSP: 002b:000000c0007133b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 48.681318][ T3630] RAX: ffffffffffffffda RBX: 000000c00003c000 RCX: 00000000004ae09b [ 48.686319][ T3630] RDX: 0000000000000b49 RSI: 000000c00059e4b7 RDI: 0000000000000003 [ 48.691274][ T3630] RBP: 000000c000713408 R08: 0000000000000001 R09: 000000c000099080 [ 48.695914][ T3630] R10: 0000000000000b49 R11: 0000000000000212 R12: 000000c000713570 [ 48.700844][ T3630] R13: 0000000000000000 R14: 000000c0000001a0 R15: 00007f7eba224b8c [ 48.705628][ T3630] [ 48.708834][ T3630] Kernel Offset: disabled [ 48.711589][ T3630] Rebooting in 86400 seconds.. VM DIAGNOSIS: 17:17:42 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=0000000000d12cc7 CR3=0000000025d36000 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=0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a XMM01=00000000000000020000000000bd9ee2 XMM02=0000000000bd9ee200000000000014a0 XMM03=00000000000000db0000000000000002 XMM04=000000000043b1cf000000000043aa2b XMM05=000000000043cec5000000000043b6fa XMM06=0000000000439a4d000000000043d47e XMM07=00000000004636650000000000439959 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 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=000000c000699010 CR3=0000000025d36000 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=00000000000000004151ebd97d6c739a XMM01=00000000000000003f847ae147ae147b XMM02=000000000000000040c3880000000000 XMM03=0000000000000000416312d000000000 XMM04=000000c00032ba40000000c0000bc358 XMM05=000000c0000bc368000000c0000bc360 XMM06=000000c0000bc370000000c00032ba70 XMM07=000000c0000bc380000000c0000bc378 XMM08=000000c0000bd918000000c0000bd910 XMM09=000000c0000bd928000000c0000bd920 XMM10=000000c0000bd938000000c0000bd930 XMM11=000000c0000bd948000000c0000bd940 XMM12=000000c0000bd958000000c0000bd950 XMM13=000000c0000bd968000000c0000bd960 XMM14=000000c0000bd978000000c0000bd970 XMM15=00000000000000000000000000000000 info registers vcpu 2 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff8462b73c RDI=ffffffff914cd720 RBP=ffffffff914cd6e0 RSP=ffffc90002f175a8 R8 =0000000000000001 R9 =000000000000001f R10=0000000000000000 R11=502032203a555043 R12=0000000000000000 R13=0000000000000020 R14=fffffbfff2299b34 R15=dffffc0000000000 RIP=ffffffff8462b763 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 000000c000080090 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=000000c000407000 CR3=0000000025d36000 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=3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a3a XMM01=00ff00000000000000000000000000ff XMM02=203a0973657a69732073736572646461 XMM03=00ff0000000000000000000000000000 XMM04=65726f74735f636570732032765f6572 XMM05=73646d206674316c207373617079625f XMM06=6174735f6f696d6d2073677061777320 XMM07=6465656c6274657220617461645f656c XMM08=6d6565727020696d6e76203a09736761 XMM09=76766e692072656d69745f6e6f697470 XMM10=78656c66206267315f74706520646970 XMM11=66666f5f63737420797469726f697270 XMM12=65206369706176207270747620746573 XMM13=6972747365726e752064697076207470 XMM14=63697061762074736575675f64657463 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=000000c000711ff8 CR3=0000000025d36000 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=871386cfac71cfdbcc17d57950b26166 XMM01=00000000000000000000000000000000 XMM02=0000000000000000414fffffe0000000 XMM03=32322035312e322e302e303120343536 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000