[ 44.698624][ T39] audit: type=1400 audit(1663472711.936:74): avc: denied { write } for pid=3582 comm="sh" path="pipe:[29871]" dev="pipefs" ino=29871 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 87.011551][ T40] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:41036' (ECDSA) to the list of known hosts. [ 192.432723][ T39] audit: type=1400 audit(1663472859.696:75): avc: denied { execute } for pid=3687 comm="sh" name="syz-executor437883975" dev="sda1" ino=1136 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 executing program [ 192.448776][ T39] audit: type=1400 audit(1663472859.696:76): avc: denied { execute_no_trans } for pid=3687 comm="sh" path="/syz-executor437883975" dev="sda1" ino=1136 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 192.469758][ T39] audit: type=1400 audit(1663472859.726:77): avc: denied { execmem } for pid=3687 comm="syz-executor437" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 192.521526][ T39] audit: type=1400 audit(1663472859.786:78): avc: denied { mounton } for pid=3688 comm="syz-executor437" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 197.968523][ T38] [ 197.970127][ T38] ============================================ [ 197.973924][ T38] WARNING: possible recursive locking detected [ 197.978722][ T38] 6.0.0-rc5-syzkaller-00094-ga335366bad13 #0 Not tainted [ 197.988657][ T38] -------------------------------------------- [ 197.992575][ T38] kworker/2:1/38 is trying to acquire lock: [ 197.996357][ T38] ffff88801e709c18 (&clnt->lock){+.+.}-{2:2}, at: p9_req_put+0xc6/0x250 [ 198.002377][ T38] [ 198.002377][ T38] but task is already holding lock: [ 198.007517][ T38] ffff88801e709c18 (&clnt->lock){+.+.}-{2:2}, at: p9_conn_cancel+0xaa/0x970 [ 198.013894][ T38] [ 198.013894][ T38] other info that might help us debug this: [ 198.020034][ T38] Possible unsafe locking scenario: [ 198.020034][ T38] [ 198.025685][ T38] CPU0 [ 198.028146][ T38] ---- [ 198.030605][ T38] lock(&clnt->lock); [ 198.033663][ T38] lock(&clnt->lock); [ 198.036722][ T38] [ 198.036722][ T38] *** DEADLOCK *** [ 198.036722][ T38] [ 198.043058][ T38] May be due to missing lock nesting notation [ 198.043058][ T38] [ 198.049321][ T38] 3 locks held by kworker/2:1/38: [ 198.052868][ T38] #0: ffff888011867d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 [ 198.059461][ T38] #1: ffffc90000827da8 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 [ 198.065901][ T38] #2: ffff88801e709c18 (&clnt->lock){+.+.}-{2:2}, at: p9_conn_cancel+0xaa/0x970 [ 198.070900][ T38] [ 198.070900][ T38] stack backtrace: [ 198.074667][ T38] CPU: 2 PID: 38 Comm: kworker/2:1 Not tainted 6.0.0-rc5-syzkaller-00094-ga335366bad13 #0 [ 198.080812][ T38] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 198.086019][ T38] Workqueue: events p9_read_work [ 198.088965][ T38] Call Trace: [ 198.090883][ T38] [ 198.092546][ T38] dump_stack_lvl+0xcd/0x134 [ 198.095226][ T38] __lock_acquire.cold+0x116/0x3a7 [ 198.098290][ T38] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 198.101961][ T38] ? lockdep_hardirqs_on+0x79/0x100 [ 198.105275][ T38] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 198.108775][ T38] lock_acquire+0x1ab/0x570 [ 198.111333][ T38] ? p9_req_put+0xc6/0x250 [ 198.114083][ T38] ? lock_release+0x780/0x780 [ 198.117062][ T38] ? __wake_up_common_lock+0xde/0x130 [ 198.120425][ T38] ? __wake_up_common+0x650/0x650 [ 198.123216][ T38] ? lock_release+0x780/0x780 [ 198.125905][ T38] ? _raw_spin_lock_irqsave+0x4e/0x50 [ 198.129044][ T38] _raw_spin_lock_irqsave+0x39/0x50 [ 198.132413][ T38] ? p9_req_put+0xc6/0x250 [ 198.135157][ T38] p9_req_put+0xc6/0x250 [ 198.137602][ T38] p9_conn_cancel+0x640/0x970 [ 198.140802][ T38] ? p9_fcall_fini+0xa0/0xa0 [ 198.143969][ T38] ? p9_pollwake+0x1c0/0x1c0 [ 198.147033][ T38] p9_read_work+0x514/0x10c0 [ 198.150010][ T38] ? do_raw_spin_lock+0x120/0x2a0 [ 198.153459][ T38] ? p9_conn_cancel+0x970/0x970 [ 198.156650][ T38] process_one_work+0x991/0x1610 [ 198.159843][ T38] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 198.163256][ T38] ? rwlock_bug.part.0+0x90/0x90 [ 198.166424][ T38] ? _raw_spin_lock_irq+0x41/0x50 [ 198.169240][ T38] worker_thread+0x665/0x1080 [ 198.171863][ T38] ? __kthread_parkme+0x15f/0x220 [ 198.175806][ T38] ? process_one_work+0x1610/0x1610 [ 198.179834][ T38] kthread+0x2e4/0x3a0 [ 198.183009][ T38] ? kthread_complete_and_exit+0x40/0x40 [ 198.187469][ T38] ret_from_fork+0x1f/0x30 [ 198.191212][ T38] VM DIAGNOSIS: 03:47:45 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff8bcbc980 RCX=ffffffff897feea5 RDX=ffffed100590698a RSI=0000000000000000 RDI=ffffffff8982fc8f RBP=0000000000000000 RSP=ffffffff8bc07e18 R8 =0000000000000000 R9 =ffff88802c834c4b R10=ffffed1005906989 R11=0000000000000001 R12=fffffbfff1797930 R13=0000000000000000 R14=ffffffff8dde3d10 R15=0000000000000000 RIP=ffffffff8982f4db 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=00007fcf2ac4ddc8 CR3=000000001a6b7000 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=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=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM02=0000000000000000000000ff00000000 XMM03=ff00000000ff000000ff000000000000 XMM04=00000000000000000000000000000000 XMM05=000000000000000000000000000000ff XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff88801252e000 RCX=ffffffff897feea5 RDX=ffffed100592698a RSI=0000000000000000 RDI=ffffffff8982fc8f RBP=0000000000000001 RSP=ffffc9000067fe00 R8 =0000000000000000 R9 =ffff88802c934c4b R10=ffffed1005926989 R11=0000000000000000 R12=ffffed10024a5c00 R13=0000000000000001 R14=ffffffff8dde3d10 R15=0000000000000000 RIP=ffffffff8982f4db RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00000000 FS =0000 0000000000000000 ffffffff 00000000 GS =0000 ffff88802c900000 ffffffff 00000000 LDT=0000 0000000000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcc72cf778 CR3=000000000bc8e000 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=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=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM02=0000000000000000000000ff00000000 XMM03=ff00000000ff000000ff000000000000 XMM04=00000000000000000000000000000000 XMM05=000000000000000000000000000000ff 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=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8461b2c1 RDI=ffffffff91488040 RBP=ffffffff91488000 RSP=ffffc90000827438 R8 =0000000000000001 R9 =000000000000001f R10=0000000000000000 R11=63722d302e302e36 R12=0000000000000000 R13=000000000000002e R14=ffffffff8461b260 R15=0000000000000000 RIP=ffffffff8461b2eb 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 0000000000000000 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=0000000020010000 CR3=0000000024627000 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=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=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM02=0000000000000000000000ff00000000 XMM03=ff00000000ff000000ff000000000000 XMM04=00000000000000000000000000000000 XMM05=000000000000000000000000000000ff 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=0000000000000000 RBX=ffffe8ffada0bca0 RCX=0000000000000000 RDX=ffff88801574c180 RSI=ffffffff817083a1 RDI=0000000000000005 RBP=0000000000000003 RSP=ffffc900009e7948 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=fffff91ff5b41795 R13=0000000000000002 R14=dffffc0000000000 R15=0000000000000001 RIP=ffffffff817083a3 RFL=00000293 [--S-A-C] 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 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=00007fcf2ac2b0f0 CR3=000000000bc8e000 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=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=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM02=0000000000000000000000ff00000000 XMM03=ff00000000ff000000ff000000000000 XMM04=00000000000000000000000000000000 XMM05=000000000000000000000000000000ff XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000