NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 1 PID: 13913 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 assign_lock_key kernel/locking/lockdep.c:728 [inline] register_lock_class+0xe82/0x11c0 kernel/locking/lockdep.c:754 __lock_acquire+0x17d/0x3ff0 kernel/locking/lockdep.c:3304 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 down_read+0x36/0x80 kernel/locking/rwsem.c:24 nilfs_bmap_lookup_at_level+0x7b/0x3e0 fs/nilfs2/bmap.c:68 nilfs_bmap_lookup fs/nilfs2/bmap.h:170 [inline] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 fs/nilfs2/mdt.c:142 nilfs_mdt_read_block+0x96/0x3e0 fs/nilfs2/mdt.c:175 nilfs_mdt_get_block+0xe6/0xd40 fs/nilfs2/mdt.c:250 nilfs_palloc_get_block+0xc4/0x2b0 fs/nilfs2/alloc.c:216 nilfs_palloc_get_entry_block+0x17b/0x230 fs/nilfs2/alloc.c:318 nilfs_ifile_get_inode_block+0xbf/0x170 fs/nilfs2/ifile.c:143 __nilfs_read_inode fs/nilfs2/inode.c:483 [inline] nilfs_iget+0x204/0x860 fs/nilfs2/inode.c:592 nilfs_get_root_dentry+0x26/0x250 fs/nilfs2/super.c:908 nilfs_fill_super fs/nilfs2/super.c:1082 [inline] nilfs_mount+0xac8/0xe70 fs/nilfs2/super.c:1321 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f55089e8ada Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f550735af88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f55089e8ada RDX: 0000000020000000 RSI: 0000000020000080 RDI: 00007f550735afe0 RBP: 00007f550735b020 R08: 00007f550735b020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000080 R14: 00007f550735afe0 R15: 00000000200131c0 team0: Device ipvlan1 failed to register rx_handler kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 13913 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:nilfs_bmap_lookup_at_level+0xb5/0x3e0 fs/nilfs2/bmap.c:69 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 95 02 00 00 48 8b 83 c0 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 c1 48 c1 e9 03 <80> 3c 11 00 0f 85 7d 02 00 00 4c 89 e6 48 89 e9 44 89 fa 48 89 df RSP: 0018:ffff88809121f650 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888040176098 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffffffff814a9aa2 RDI: ffff888040176158 RBP: ffff88809121f738 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: ffffffff8c66505b R12: 0000000000000002 R13: 1ffff11012243ecb R14: ffff8880401760d0 R15: 0000000000000001 FS: 00007f550735b700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f417e050000 CR3: 00000000abfad000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 sysfs: cannot create duplicate filename '/class/ieee80211/©,í…×;qO!' Call Trace: nilfs_bmap_lookup fs/nilfs2/bmap.h:170 [inline] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 fs/nilfs2/mdt.c:142 CPU: 1 PID: 13860 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: nilfs_mdt_read_block+0x96/0x3e0 fs/nilfs2/mdt.c:175 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 sysfs_warn_dup.cold+0x1c/0x29 fs/sysfs/dir.c:30 sysfs_do_create_link_sd+0x116/0x130 fs/sysfs/symlink.c:50 nilfs_mdt_get_block+0xe6/0xd40 fs/nilfs2/mdt.c:250 sysfs_do_create_link fs/sysfs/symlink.c:79 [inline] sysfs_create_link+0x5f/0xc0 fs/sysfs/symlink.c:91 device_add_class_symlinks drivers/base/core.c:1934 [inline] device_add+0x7d1/0x16d0 drivers/base/core.c:2136 nilfs_palloc_get_block+0xc4/0x2b0 fs/nilfs2/alloc.c:216 nilfs_palloc_get_entry_block+0x17b/0x230 fs/nilfs2/alloc.c:318 wiphy_register+0x1664/0x2130 net/wireless/core.c:832 nilfs_ifile_get_inode_block+0xbf/0x170 fs/nilfs2/ifile.c:143 __nilfs_read_inode fs/nilfs2/inode.c:483 [inline] nilfs_iget+0x204/0x860 fs/nilfs2/inode.c:592 ieee80211_register_hw+0x13be/0x3550 net/mac80211/main.c:1106 nilfs_get_root_dentry+0x26/0x250 fs/nilfs2/super.c:908 nilfs_fill_super fs/nilfs2/super.c:1082 [inline] nilfs_mount+0xac8/0xe70 fs/nilfs2/super.c:1321 mac80211_hwsim_new_radio+0x1d3f/0x3c60 drivers/net/wireless/mac80211_hwsim.c:2896 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 hwsim_new_radio_nl+0x5c3/0x850 drivers/net/wireless/mac80211_hwsim.c:3374 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f55089e8ada Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638 RSP: 002b:00007f550735af88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f55089e8ada RDX: 0000000020000000 RSI: 0000000020000080 RDI: 00007f550735afe0 RBP: 00007f550735b020 R08: 00007f550735b020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000080 R14: 00007f550735afe0 R15: 00000000200131c0 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 Modules linked in: sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff32a1845a9 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 RSP: 002b:00007ff328ad7168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e ---[ end trace 5b5099d5d08d7adb ]--- RAX: ffffffffffffffda RBX: 00007ff32a2a6050 RCX: 00007ff32a1845a9 RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003 RBP: 00007ff32a1df580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc45e23cbf R14: 00007ff328ad7300 R15: 0000000000022000 Bluetooth: hci3: command 0x0405 tx timeout RIP: 0010:nilfs_bmap_lookup_at_level+0xb5/0x3e0 fs/nilfs2/bmap.c:69 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 95 02 00 00 48 8b 83 c0 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 c1 48 c1 e9 03 <80> 3c 11 00 0f 85 7d 02 00 00 4c 89 e6 48 89 e9 44 89 fa 48 89 df audit: type=1326 audit(1664761438.624:41): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=13922 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fb23d89c5a9 code=0x7ffc0000 RSP: 0018:ffff88809121f650 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888040176098 RCX: 0000000000000000 attempt to access beyond end of device loop4: rw=1, want=108, limit=104 RDX: dffffc0000000000 RSI: ffffffff814a9aa2 RDI: ffff888040176158 Buffer I/O error on dev loop4, logical block 53, lost async page write audit: type=1326 audit(1664761438.624:42): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=13922 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fb23d89c5a9 code=0x7ffc0000 attempt to access beyond end of device loop4: rw=1, want=110, limit=104 FAT-fs (loop0): invalid media value (0xbd) FAT-fs (loop0): Can't find a valid FAT filesystem Buffer I/O error on dev loop4, logical block 54, lost async page write audit: type=1326 audit(1664761438.644:43): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=13922 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=41 compat=0 ip=0x7fb23d89dc27 code=0x7ffc0000 attempt to access beyond end of device audit: type=1326 audit(1664761438.644:44): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=13922 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=44 compat=0 ip=0x7fb23d84e4fc code=0x7ffc0000 loop4: rw=1, want=112, limit=104 audit: type=1326 audit(1664761438.644:45): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=13922 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=45 compat=0 ip=0x7fb23d84e434 code=0x7ffc0000 Buffer I/O error on dev loop4, logical block 55, lost async page write wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 RBP: ffff88809121f738 R08: 0000000000000001 R09: 0000000000000000 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 attempt to access beyond end of device R10: 0000000000000005 R11: ffffffff8c66505b R12: 0000000000000002 R13: 1ffff11012243ecb R14: ffff8880401760d0 R15: 0000000000000001 loop4: rw=1, want=114, limit=104 FS: 00007f550735b700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 Buffer I/O error on dev loop4, logical block 56, lost async page write CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 attempt to access beyond end of device CR2: 000000c0358a7000 CR3: 00000000abfad000 CR4: 00000000003406e0 audit: type=1326 audit(1664761438.644:46): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=13922 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=45 compat=0 ip=0x7fb23d84e434 code=0x7ffc0000 loop4: rw=2049, want=116, limit=104 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: df 48 89 fisttps -0x77(%rax) 3: fa cli 4: 48 c1 ea 03 shr $0x3,%rdx 8: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) c: 0f 85 95 02 00 00 jne 0x2a7 12: 48 8b 83 c0 00 00 00 mov 0xc0(%rbx),%rax 19: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 20: fc ff df 23: 48 89 c1 mov %rax,%rcx 26: 48 c1 e9 03 shr $0x3,%rcx * 2a: 80 3c 11 00 cmpb $0x0,(%rcx,%rdx,1) <-- trapping instruction 2e: 0f 85 7d 02 00 00 jne 0x2b1 34: 4c 89 e6 mov %r12,%rsi 37: 48 89 e9 mov %rbp,%rcx 3a: 44 89 fa mov %r15d,%edx 3d: 48 89 df mov %rbx,%rdi