*** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 ====================================================== WARNING: possible circular locking dependency detected CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 4.19.37 #5 Not tainted ------------------------------------------------------ syz-executor.4/27754 is trying to acquire lock: 00000000c32bca4c (&pipe->mutex/1 CR3 = 0x0000000000000000 ){+.+.}, at: pipe_lock_nested fs/pipe.c:62 [inline] ){+.+.}, at: pipe_lock+0x6e/0x80 fs/pipe.c:70 but task is already holding lock: 00000000fd435f57 ( RSP = 0x0000000000000000 RIP = 0x0000000000000000 sb_writers RFLAGS=0xffffffffffffffff DR7 = 0x0000000000000400 #4){.+.+}, at: file_start_write include/linux/fs.h:2764 [inline] #4){.+.+}, at: do_splice+0xcf4/0x1260 fs/splice.c:1147 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 -> #4 (sb_writers#4){.+.+}: percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x20b/0x360 fs/super.c:1387 sb_start_write include/linux/fs.h:1569 [inline] mnt_want_write+0x3f/0xc0 fs/namespace.c:360 CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000 ovl_want_write+0x76/0xa0 fs/overlayfs/util.c:24 ovl_create_object+0xb3/0x2c0 fs/overlayfs/dir.c:600 ovl_create+0x28/0x30 fs/overlayfs/dir.c:631 lookup_open+0x12e0/0x1b10 fs/namei.c:3234 DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 do_last fs/namei.c:3324 [inline] path_openat+0x149a/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1069 __do_sys_openat fs/open.c:1096 [inline] __se_sys_openat fs/open.c:1090 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1090 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #3 (&ovl_i_mutex_dir_key[depth]){++++} ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 : down_read+0x3b/0xb0 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:748 [inline] do_last fs/namei.c:3323 [inline] path_openat+0x1e79/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 do_open_execat+0x140/0x660 fs/exec.c:853 __do_execve_file.isra.0+0x15a4/0x2150 fs/exec.c:1755 do_execveat_common fs/exec.c:1866 [inline] do_execve fs/exec.c:1883 [inline] __do_sys_execve fs/exec.c:1964 [inline] __se_sys_execve fs/exec.c:1959 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1959 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 -> #2 (&sig->cred_guard_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102 GDTR: limit=0x0000ffff, base=0x0000000000000000 lock_trace+0x4a/0xe0 fs/proc/base.c:384 proc_pid_syscall+0x98/0x250 fs/proc/base.c:617 proc_single_show+0xf6/0x180 fs/proc/base.c:737 seq_read+0x4db/0x1130 fs/seq_file.c:229 do_loop_readv_writev fs/read_write.c:700 [inline] do_loop_readv_writev fs/read_write.c:687 [inline] do_iter_read+0x495/0x650 fs/read_write.c:924 vfs_readv+0xf0/0x160 fs/read_write.c:986 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 do_preadv+0x1c4/0x280 fs/read_write.c:1070 __do_sys_preadv fs/read_write.c:1120 [inline] __se_sys_preadv fs/read_write.c:1115 [inline] __x64_sys_preadv+0x9a/0xf0 fs/read_write.c:1115 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe IDTR: limit=0x0000ffff, base=0x0000000000000000 -> #1 (&p->lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 seq_read+0x71/0x1130 fs/seq_file.c:161 proc_reg_read+0x1fa/0x2c0 fs/proc/inode.c:231 do_loop_readv_writev fs/read_write.c:700 [inline] do_loop_readv_writev fs/read_write.c:687 [inline] do_iter_read+0x495/0x650 fs/read_write.c:924 vfs_readv+0xf0/0x160 fs/read_write.c:986 EFER = 0x0000000000000000 PAT = 0x0007040600070406 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x478/0x890 fs/splice.c:417 do_splice_to+0x12a/0x190 fs/splice.c:881 do_splice+0xf85/0x1260 fs/splice.c:1174 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 __do_sys_splice fs/splice.c:1415 [inline] __se_sys_splice fs/splice.c:1395 [inline] __x64_sys_splice+0x2c6/0x330 fs/splice.c:1395 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&pipe->mutex/1){+.+.} Interruptibility = 00000000 ActivityState = 00000000 : lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 *** Host State *** pipe_lock_nested fs/pipe.c:62 [inline] pipe_lock+0x6e/0x80 fs/pipe.c:70 RIP = 0xffffffff811c9f4c RSP = 0xffff8880170ef8c0 iter_file_splice_write+0x18b/0xbe0 fs/splice.c:700 do_splice_from fs/splice.c:852 [inline] do_splice+0x644/0x1260 fs/splice.c:1148 __do_sys_splice fs/splice.c:1415 [inline] __se_sys_splice fs/splice.c:1395 [inline] __x64_sys_splice+0x2c6/0x330 fs/splice.c:1395 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: &pipe->mutex CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 /1 --> &ovl_i_mutex_dir_key[depth] --> sb_writers#4 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sb_writers#4); lock(&ovl_i_mutex_dir_key[depth]); lock(sb_writers#4 FSBase=00007fa4dc75d700 GSBase=ffff8880ae900000 TRBase=fffffe0000034000 ); lock(&pipe->mutex/1); *** DEADLOCK *** 1 lock held by syz-executor.4/27754: #0: 00000000fd435f57 GDTBase=fffffe0000032000 IDTBase=fffffe0000000000 (sb_writers#4){.+.+}, at: file_start_write include/linux/fs.h:2764 [inline] (sb_writers#4){.+.+}, at: do_splice+0xcf4/0x1260 fs/splice.c:1147 stack backtrace: CR0=0000000080050033 CR3=000000008e6b7000 CR4=00000000001426e0 CPU: 0 PID: 27754 Comm: syz-executor.4 Not tainted 4.19.37 #5 Sysenter RSP=fffffe0000033200 CS:RIP=0010:ffffffff870013a0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1221 *** Control State *** check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x2e6d/0x48f0 kernel/locking/lockdep.c:3411 PinBased=0000003f CPUBased=b5a06dfa SecondaryExec=000000c3 EntryControls=0000d1ff ExitControls=002fefff lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000000 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 pipe_lock_nested fs/pipe.c:62 [inline] pipe_lock+0x6e/0x80 fs/pipe.c:70 iter_file_splice_write+0x18b/0xbe0 fs/splice.c:700 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xfffffbf03469adb9 TPR Threshold = 0x00 EPT pointer = 0x00000000528b301e kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env do_splice_from fs/splice.c:852 [inline] do_splice+0x644/0x1260 fs/splice.c:1148 __do_sys_splice fs/splice.c:1415 [inline] __se_sys_splice fs/splice.c:1395 [inline] __x64_sys_splice+0x2c6/0x330 fs/splice.c:1395 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb049080c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000458da9 RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 000000000073bfa0 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb0490816d4 R13: 00000000004c7e86 R14: 00000000004dd4c0 R15: 00000000ffffffff protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'loop5' (00000000bfb7f6b9): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000bfb7f6b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' nla_parse: 8 callbacks suppressed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000bfb7f6b9): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'loop5' (00000000bfb7f6b9): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000bfb7f6b9): kobject_uevent_env kobject: 'loop5' (00000000bfb7f6b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x0000000000000000 RSP = 0x0000000000000000 RIP = 0x0000000000000000 kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' RFLAGS=0xffffffffffffffff DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000 DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env GDTR: limit=0x0000ffff, base=0x0000000000000000 kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=15 sclass=netlink_xfrm_socket pig=27859 comm=syz-executor.2 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** kobject: 'loop3' (0000000041441e6d): kobject_uevent_env RIP = 0xffffffff811c9f4c RSP = 0xffff888019c578c0 kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' FSBase=00007fb0490a2700 GSBase=ffff8880ae800000 TRBase=fffffe0000003000 kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 CR0=0000000080050033 CR3=00000000a9536000 CR4=00000000001426f0 Sysenter RSP=fffffe0000002200 CS:RIP=0010:ffffffff870013a0 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 *** Control State *** PinBased=0000003f CPUBased=b5a06dfa SecondaryExec=000000c3 EntryControls=0000d1ff ExitControls=002fefff kobject: 'loop3' (0000000041441e6d): kobject_uevent_env ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env reason=80000021 qualification=0000000000000000 kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xfffffbee9ce0d5e4 TPR Threshold = 0x00 EPT pointer = 0x00000000a855301e kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop5' (00000000bfb7f6b9): kobject_uevent_env *** Guest State *** kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 kobject: 'loop5' (00000000bfb7f6b9): fill_kobj_path: path = '/devices/virtual/block/loop5' CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env CR3 = 0x0000000000000000 RSP = 0x0000000000000000 RIP = 0x0000000000000000 kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' RFLAGS=0xffffffffffffffff DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000 DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x0000ffff, base=0x0000000000000000 kobject: 'loop4' (000000008ad883af): kobject_uevent_env LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 IDTR: limit=0x0000ffff, base=0x0000000000000000 kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'. DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env *** Host State *** RIP = 0xffffffff811c9f4c RSP = 0xffff888072c8f8c0 kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. FSBase=00007fa4dc75d700 GSBase=ffff8880ae900000 TRBase=fffffe0000034000 kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env GDTBase=fffffe0000032000 IDTBase=fffffe0000000000 CR0=0000000080050033 CR3=0000000023467000 CR4=00000000001426e0 Sysenter RSP=fffffe0000033200 CS:RIP=0010:ffffffff870013a0 kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' EFER = 0x0000000000000d01 PAT = 0x0407050600070106 *** Control State *** PinBased=0000003f CPUBased=b5986dfa SecondaryExec=000000c2 EntryControls=0000d1ff ExitControls=002fefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 kobject: 'loop4' (000000008ad883af): kobject_uevent_env TSC Offset = 0xfffffbee1d09ada0 EPT pointer = 0x000000007975201e kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'loop5' (00000000bfb7f6b9): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000bfb7f6b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' net_ratelimit: 22 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000bfb7f6b9): kobject_uevent_env kobject: 'loop5' (00000000bfb7f6b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000bfb7f6b9): kobject_uevent_env kobject: 'loop5' (00000000bfb7f6b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000bfb7f6b9): kobject_uevent_env kobject: 'loop5' (00000000bfb7f6b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000bfb7f6b9): kobject_uevent_env kobject: 'loop5' (00000000bfb7f6b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x0000000000000000 RSP = 0x0000000000000000 RIP = 0x0000000000000000 RFLAGS=0xffffffffffffffff DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000 DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x0000ffff, base=0x0000000000000000 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811c9f4c RSP = 0xffff888098ca78c0 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007fa4dc75d700 GSBase=ffff8880ae800000 TRBase=fffffe0000034000 GDTBase=fffffe0000032000 IDTBase=fffffe0000000000 CR0=0000000080050033 CR3=0000000058223000 CR4=00000000001426f0 Sysenter RSP=fffffe0000033200 CS:RIP=0010:ffffffff870013a0 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 *** Control State *** PinBased=0000003f CPUBased=b5986dfa SecondaryExec=000000c2 EntryControls=0000d1ff ExitControls=002fefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xfffffbebfb1d56eb EPT pointer = 0x000000009064d01e kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000bfb7f6b9): kobject_uevent_env kobject: 'loop5' (00000000bfb7f6b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x0000000000000000 RSP = 0x0000000000000000 RIP = 0x0000000000000000 RFLAGS=0xffffffffffffffff DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000 DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x0000ffff, base=0x0000000000000000 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811c9f4c RSP = 0xffff88804e5078c0 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007fa4dc75d700 GSBase=ffff8880ae800000 TRBase=fffffe0000003000 kobject: 'loop4' (000000008ad883af): kobject_uevent_env GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' CR0=0000000080050033 CR3=00000000994a0000 CR4=00000000001426f0 Sysenter RSP=fffffe0000002200 CS:RIP=0010:ffffffff870013a0 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 *** Control State *** PinBased=0000003f CPUBased=b5986dfa SecondaryExec=000000c2 EntryControls=0000d1ff ExitControls=002fefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xfffffbeb8f0ed173 EPT pointer = 0x0000000053f3301e kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'loop5' (00000000bfb7f6b9): kobject_uevent_env kobject: 'loop5' (00000000bfb7f6b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000008ad883af): kobject_uevent_env kobject: 'loop4' (000000008ad883af): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000d5871cc8): kobject_uevent_env kobject: 'kvm' (00000000d5871cc8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041441e6d): kobject_uevent_env kobject: 'loop3' (0000000041441e6d): fill_kobj_path: path = '/devices/virtual/block/loop3'