Warning: Permanently added '[localhost]:52438' (ECDSA) to the list of known hosts. [ 142.323488][ T39] audit: type=1400 audit(1646359502.482:192): avc: denied { create } for pid=3936 comm="syz-executor143" name="file0" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=blk_file permissive=1 [ 142.379013][ T39] audit: type=1400 audit(1646359502.492:193): avc: denied { mounton } for pid=3936 comm="syz-executor143" path="/file0" dev="sda1" ino=1142 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=blk_file permissive=1 [ 142.426885][ T3945] loop0: detected capacity change from 0 to 32768 [ 142.427123][ T3947] loop3: detected capacity change from 0 to 32768 [ 142.439632][ T3942] loop2: detected capacity change from 0 to 32768 [ 142.444894][ T3948] loop1: detected capacity change from 0 to 32768 [ 142.602164][ T3927] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [ 142.674913][ T3950] I/O error, dev loop1, sector 128 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 142.696605][ T3954] loop0: detected capacity change from 0 to 32768 [ 142.700611][ T3950] Buffer I/O error on dev loop1, logical block 16, async page read [ 142.730816][ T3958] loop2: detected capacity change from 0 to 32768 [ 142.741032][ T3953] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [ 142.787721][ T3960] loop1: detected capacity change from 0 to 32768 [ 142.790206][ T3961] loop3: detected capacity change from 0 to 32768 [ 142.823246][ T3927] BTRFS: device fsid 05f3dc6f-78ad-47d2-bbc1-25707524c592 devid 1 transid 7 /dev/loop0 scanned by udevd (3927) [ 142.876872][ T3953] BTRFS info: devid 1 device path ./file0 changed to /dev/loop1 scanned by udevd (3953) [ 142.903040][ T3963] BTRFS info (device loop1): disk space caching is enabled [ 142.935984][ T3963] BTRFS info (device loop1): has skinny extents [ 142.980830][ T3972] BTRFS info: devid 1 device path /dev/loop1 changed to ./file0 scanned by syz-executor143 (3972) [ 143.082975][ T3956] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 7 scanned by udevd (3956) [ 143.106847][ T3984] loop3: detected capacity change from 0 to 32768 [ 143.416576][ T3963] BTRFS error (device loop1): open_ctree failed [ 143.481763][ T3992] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by udevd (3992) [ 143.489519][ T3965] BTRFS info (device loop1): disk space caching is enabled [ 143.556515][ T3965] BTRFS info (device loop1): has skinny extents [ 143.556708][ T3956] BTRFS info: devid 1 device path ./file0 changed to /dev/loop1 scanned by udevd (3956) [ 143.608873][ T3992] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by udevd (3992) [ 143.649159][ T4000] BTRFS info: devid 1 device path /dev/loop1 changed to ./file0 scanned by syz-executor143 (4000) [ 143.700155][ T4009] loop0: detected capacity change from 0 to 32768 [ 143.706816][ T3965] BTRFS error (device loop1): open_ctree failed [ 143.718892][ T3992] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by udevd (3992) [ 143.771564][ T3992] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by udevd (3992) [ 143.837137][ T3975] BTRFS info (device loop1): disk space caching is enabled [ 143.848868][ T3975] BTRFS info (device loop1): has skinny extents [ 143.861881][ T3992] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by udevd (3992) [ 143.963318][ T3992] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by udevd (3992) [ 143.992619][ T3993] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 7 scanned by udevd (3993) [ 144.027170][ T3992] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by udevd (3992) [ 144.060342][ T3975] BTRFS error (device loop1): open_ctree failed [ 144.073512][ T3993] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 7 scanned by udevd (3993) [ 144.125887][ T4000] general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN [ 144.150749][ T4000] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 144.170578][ T4000] CPU: 1 PID: 4000 Comm: syz-executor143 Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1-dirty #0 [ 144.194606][ T4000] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 144.209948][ T4000] RIP: 0010:invalidate_bdev+0x1f/0xd0 [ 144.218697][ T4000] Code: fe 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 fb e8 46 02 b2 fd 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 93 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b [ 144.255329][ T4000] RSP: 0018:ffffc90000e07840 EFLAGS: 00010206 [ 144.265433][ T4000] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 144.283201][ T4000] RDX: 0000000000000006 RSI: ffffffff83c5df9a RDI: 0000000000000030 [ 144.300203][ T4000] RBP: ffff888026948000 R08: 0000000000000000 R09: ffffffff8b814683 [ 144.315139][ T4000] R10: fffffbfff17028d0 R11: 0000000000000001 R12: ffff88802b5095c0 [ 144.327869][ T4000] R13: 0000000000000001 R14: 0000000000000001 R15: ffff88801fb54000 [ 144.343019][ T4000] FS: 00007fc526ad8700(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000 [ 144.361482][ T4000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 144.373624][ T4000] CR2: 00005614541cd000 CR3: 0000000022cb3000 CR4: 0000000000150ee0 [ 144.386245][ T4000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 144.401999][ T4000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 144.414459][ T4000] Call Trace: [ 144.420243][ T4000] [ 144.425435][ T4000] open_ctree+0xacf/0x4817 [ 144.431952][ T4000] ? btrfs_get_root_ref.part.0.cold+0x36/0x36 [ 144.456889][ T4000] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 144.466478][ T4000] btrfs_mount_root.cold+0x15/0x1a2 [ 144.501278][ T4000] ? parse_rescue_options+0x350/0x350 [ 144.509768][ T4000] ? rcu_read_lock_sched_held+0x3a/0x70 [ 144.536297][ T4000] ? kfree+0x19e/0x2b0 [ 144.543688][ T4000] ? vfs_parse_fs_string+0xf8/0x150 [ 144.553651][ T4000] ? vfs_parse_fs_param+0x3c0/0x3c0 [ 144.565816][ T4000] ? parse_rescue_options+0x350/0x350 [ 144.577553][ T4000] legacy_get_tree+0x105/0x220 [ 144.586475][ T4000] vfs_get_tree+0x89/0x2f0 [ 144.594887][ T4000] vfs_kern_mount.part.0+0xd3/0x170 [ 144.605167][ T4000] vfs_kern_mount+0x3c/0x60 [ 144.615634][ T4000] btrfs_mount+0x234/0xa60 [ 144.623924][ T4000] ? btrfs_show_options+0x1290/0x1290 [ 144.632562][ T4000] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 144.645139][ T4000] ? cred_has_capability.isra.0+0x14e/0x2b0 [ 144.656618][ T4000] ? check_nnp_nosuid.isra.0+0x2a0/0x2a0 [ 144.669589][ T4000] ? kfree+0x19e/0x2b0 [ 144.679359][ T4000] ? vfs_parse_fs_string+0xf8/0x150 [ 144.690106][ T4000] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 144.701468][ T4000] ? cap_capable+0x1f1/0x280 [ 144.709310][ T4000] ? btrfs_show_options+0x1290/0x1290 [ 144.719063][ T4000] legacy_get_tree+0x105/0x220 [ 144.727066][ T4000] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 144.737788][ T4000] vfs_get_tree+0x89/0x2f0 [ 144.745966][ T4000] path_mount+0x1320/0x1fa0 [ 144.754763][ T4000] ? kmem_cache_free.part.0+0xe1/0x200 [ 144.764403][ T4000] ? finish_automount+0xaf0/0xaf0 [ 144.773049][ T4000] ? lockdep_hardirqs_on+0x79/0x100 [ 144.782804][ T4000] ? putname+0xfe/0x140 [ 144.790677][ T4000] __x64_sys_mount+0x27f/0x300 [ 144.800244][ T4000] ? copy_mnt_ns+0xae0/0xae0 [ 144.810699][ T4000] ? syscall_enter_from_user_mode+0x21/0x70 [ 144.822584][ T4000] do_syscall_64+0x35/0xb0 [ 144.831391][ T4000] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.842690][ T4000] RIP: 0033:0x7fc526b2c2a9 [ 144.850582][ T4000] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 144.884003][ T4000] RSP: 002b:00007fc526ad82f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 144.899134][ T4000] RAX: ffffffffffffffda RBX: 00007fc526bb13e0 RCX: 00007fc526b2c2a9 [ 144.911973][ T4000] RDX: 0000000020000140 RSI: 0000000020000100 RDI: 0000000020000080 [ 144.923451][ T4000] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000 [ 144.934991][ T4000] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fc526b7d478 [ 144.946389][ T4000] R13: 00007fc526b7d1f0 R14: 00007fc526b7d0a8 R15: 00007fc526bb13e8 [ 144.957644][ T4000] [ 144.961610][ T4000] Modules linked in: [ 144.970554][ T4000] ---[ end trace 0000000000000000 ]--- [ 144.982071][ T4000] RIP: 0010:invalidate_bdev+0x1f/0xd0 [ 144.994863][ T4000] Code: fe 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 fb e8 46 02 b2 fd 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 93 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b [ 145.032689][ T4000] RSP: 0018:ffffc90000e07840 EFLAGS: 00010206 [ 145.044232][ T4000] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 145.058792][ T4000] RDX: 0000000000000006 RSI: ffffffff83c5df9a RDI: 0000000000000030 [ 145.072959][ T4000] RBP: ffff888026948000 R08: 0000000000000000 R09: ffffffff8b814683 [ 145.087366][ T4000] R10: fffffbfff17028d0 R11: 0000000000000001 R12: ffff88802b5095c0 [ 145.101609][ T4000] R13: 0000000000000001 R14: 0000000000000001 R15: ffff88801fb54000 [ 145.118444][ T4000] FS: 00007fc526ad8700(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000 [ 145.134675][ T4000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 145.147413][ T4000] CR2: 00005614541cd000 CR3: 0000000022cb3000 CR4: 0000000000150ee0 [ 145.162222][ T4000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 145.175370][ T4000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 145.175635][ T4046] loop3: detected capacity change from 0 to 32768 [ 145.188591][ T4000] Kernel panic - not syncing: Fatal exception [ 145.202276][ T4000] Kernel Offset: disabled [ 145.233604][ T4000] Rebooting in 86400 seconds.. VM DIAGNOSIS: 02:05:04 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=00000000000f801f RCX=0000000000000000 RDX=1ffff110037bc8dc RSI=ffffffff81cb77e9 RDI=0000000000000000 RBP=ffff88801bde4580 RSP=ffffc9000283fe60 R8 =0000000000000001 R9 =0000000000008000 R10=ffffffff81cb7785 R11=0000000000002000 R12=ffff88801bde4604 R13=ffff888026553108 R14=ffffffff89bd65e0 R15=ffff88801181aae0 RIP=ffffffff81cb7812 RFL=00000246 [---Z-P-] 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 00007fe66e1ce840 ffffffff 00c00000 GS =0000 ffff88802ca00000 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=00007fffa050b428 CR3=0000000029e06000 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=6c65732d6461657268742f636f72702f XMM01=65746165726373662f727474612f666c XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=ff000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=252f727474612f666c65732d64616572 XMM09=00000000000000000000000000000000 XMM10=20202000002020202020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff8441ee0c RDI=ffffffff907ee2e0 RBP=ffffffff907ee2a0 RSP=ffffc90000e07250 R8 =000000000000005e R9 =0000000000000000 R10=ffffffff8441edfd R11=000000000000001f R12=0000000000000000 R13=fffffbfff20fdca7 R14=fffffbfff20fdc5e R15=dffffc0000000000 RIP=ffffffff8441ee32 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 00007fc526ad8700 ffffffff 00c00000 GS =0000 ffff88802cb00000 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=00005614541cd000 CR3=0000000022cb3000 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=00000000000000004341505350415753 XMM02=ffffffffffffffff0000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000ff0000000000000000000000 XMM05=ffff000000000000ffff000000000000 XMM06=00000000ff0000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=6b636f6c622f7665642f7379732f0065 XMM09=00000000000000000000000000000000 XMM10=20202000002020202020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 2 RAX=ffff8880236ca2c1 RBX=ffffffff8d941aa8 RCX=ffffffff815b6e32 RDX=fffff5200057dfc9 RSI=0000000000000008 RDI=ffffc90002befe40 RBP=ffff888018a777f8 RSP=ffffc90002befe08 R8 =0000000000000001 R9 =ffffc90002befe47 R10=fffff5200057dfc8 R11=0000000000000000 R12=ffff888018a77800 R13=1ffff9200057dfc4 R14=0000000000000001 R15=ffff8880236ca2c0 RIP=ffffffff815b6e41 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 000fffff 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0000 0000000000000000 ffffffff 00c00000 DS =0000 0000000000000000 000fffff 00000000 FS =0000 0000000000000000 000fffff 00000000 GS =0000 ffff88802cc00000 000fffff 00000000 LDT=0000 0000000000000000 00000000 00000000 TR =0040 fffffe0000091000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe000008f000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3a048763e0 CR3=000000001c81c000 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=00312e6f732e64696b6c6262696c2f34 XMM02=ffffffffffffffffffffffffffffffff XMM03=ffffffffffffffffffffffffffffffff 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=ffffed100303611f RBX=ffffed1003036120 RCX=ffffffff815d23d1 RDX=ffffed1003036120 RSI=0000000000000004 RDI=ffff8880181b08f8 RBP=ffffed100303611f RSP=ffffc90002c0fc00 R8 =0000000000000001 R9 =ffff8880181b08fb R10=ffffed100303611f R11=0000000000088078 R12=ffff8880181b0900 R13=ffff8880181b0908 R14=ffff88801df21a00 R15=ffff88801df21a00 RIP=ffffffff81beca5e RFL=00000246 [---Z-P-] 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 =0000 0000000000000000 ffffffff 00c00000 DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff88802cd00000 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=00007f50a00ba038 CR3=000000002a04d000 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=00312e6f732e6572637062696c2f3436 XMM02=ffffffffffffffffffffffffffffffff XMM03=ffffffffffffffffffffffffffffffff XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000