ecryptfs_parse_options: eCryptfs: unrecognized option [.] hub 9-0:1.0: 8 ports detected ecryptfs_parse_options: You must supply at least one valid auth tok signature as a mount parameter; see the eCryptfs README Error parsing options; rc = [-22] ============================================ WARNING: possible recursive locking detected 4.19.211-syzkaller #0 Not tainted -------------------------------------------- syz-executor.1/12697 is trying to acquire lock: 000000004dc13242 (&type->i_mutex_dir_key#12){++++}, at: inode_lock include/linux/fs.h:748 [inline] 000000004dc13242 (&type->i_mutex_dir_key#12){++++}, at: fuse_reverse_inval_entry+0x2e1/0x660 fs/fuse/dir.c:1006 but task is already holding lock: 00000000b597a665 (&type->i_mutex_dir_key#12){++++}, at: inode_lock include/linux/fs.h:748 [inline] 00000000b597a665 (&type->i_mutex_dir_key#12){++++}, at: fuse_reverse_inval_entry+0xaa/0x660 fs/fuse/dir.c:987 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&type->i_mutex_dir_key#12); lock(&type->i_mutex_dir_key#12); *** DEADLOCK *** May be due to missing lock nesting notation 2 locks held by syz-executor.1/12697: #0: 0000000017975bb3 (&fc->killsb){++++}, at: fuse_notify_delete fs/fuse/dev.c:1582 [inline] #0: 0000000017975bb3 (&fc->killsb){++++}, at: fuse_notify fs/fuse/dev.c:1819 [inline] #0: 0000000017975bb3 (&fc->killsb){++++}, at: fuse_dev_do_write+0x2343/0x2bc0 fs/fuse/dev.c:1894 #1: 00000000b597a665 (&type->i_mutex_dir_key#12){++++}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000b597a665 (&type->i_mutex_dir_key#12){++++}, at: fuse_reverse_inval_entry+0xaa/0x660 fs/fuse/dir.c:987 stack backtrace: CPU: 0 PID: 12697 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_deadlock_bug kernel/locking/lockdep.c:1764 [inline] check_deadlock kernel/locking/lockdep.c:1808 [inline] validate_chain kernel/locking/lockdep.c:2404 [inline] __lock_acquire.cold+0x121/0x57e kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 down_write+0x34/0x90 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:748 [inline] fuse_reverse_inval_entry+0x2e1/0x660 fs/fuse/dir.c:1006 fuse_notify_delete fs/fuse/dev.c:1585 [inline] fuse_notify fs/fuse/dev.c:1819 [inline] fuse_dev_do_write+0x239e/0x2bc0 fs/fuse/dev.c:1894 fuse_dev_write+0x153/0x1e0 fs/fuse/dev.c:1978 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f7f8be3e0c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7f8a38f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f7f8bf5e050 RCX: 00007f7f8be3e0c9 RDX: 000000000000002a RSI: 0000000020000080 RDI: 0000000000000003 RBP: 00007f7f8be99ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc51f71d4f R14: 00007f7f8a38f300 R15: 0000000000022000 PM: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] usb usb9: usbfs: interface 0 claimed by usbfs while 'syz-executor.0' sets config #1 PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] PM: Basic memory bitmaps created PM: Basic memory bitmaps freed audit: type=1800 audit(1672823266.691:26): pid=12714 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.3" name="bus" dev="sda1" ino=14005 res=0 PM: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] PM: Basic memory bitmaps created PM: Basic memory bitmaps freed PM: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] PM: Basic memory bitmaps created PM: Basic memory bitmaps freed audit: type=1800 audit(1672823267.391:27): pid=12769 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.3" name="bus" dev="sda1" ino=14005 res=0 PM: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] PM: Basic memory bitmaps created PM: Basic memory bitmaps freed PM: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] PM: Basic memory bitmaps created PM: Basic memory bitmaps freed audit: type=1804 audit(1672823268.972:28): pid=12870 uid=60929 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir2042883666/syzkaller.YhrJpv/114/bus" dev="sda1" ino=14394 res=1 audit: type=1804 audit(1672823270.062:29): pid=12928 uid=60929 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir2042883666/syzkaller.YhrJpv/115/bus" dev="sda1" ino=14426 res=1 audit: type=1804 audit(1672823270.182:30): pid=12946 uid=60929 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir3872302846/syzkaller.3BSIO3/123/file0/bus" dev="loop4" ino=3 res=1 attempt to access beyond end of device loop4: rw=2049, want=2052, limit=2048 audit: type=1804 audit(1672823270.712:31): pid=12966 uid=60929 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir3872302846/syzkaller.3BSIO3/124/file0/bus" dev="loop4" ino=4 res=1 audit: type=1804 audit(1672823270.972:32): pid=12969 uid=60929 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir2042883666/syzkaller.YhrJpv/116/bus" dev="sda1" ino=14427 res=1 attempt to access beyond end of device loop4: rw=2049, want=2052, limit=2048 audit: type=1804 audit(1672823271.352:33): pid=13003 uid=60929 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir3872302846/syzkaller.3BSIO3/125/file0/bus" dev="loop4" ino=5 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. attempt to access beyond end of device loop4: rw=2049, want=2052, limit=2048 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. audit: type=1804 audit(1672823271.912:34): pid=13020 uid=60929 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir2042883666/syzkaller.YhrJpv/117/bus" dev="sda1" ino=14427 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. IPVS: ftp: loaded support on port[0] = 21 usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK. vhci_hcd: USB_PORT_FEAT_BH_PORT_RESET req not supported for USB 2.0 roothub ubi: mtd0 is already attached to ubi0 usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK. nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. vhci_hcd: USB_PORT_FEAT_BH_PORT_RESET req not supported for USB 2.0 roothub usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK. vhci_hcd: USB_PORT_FEAT_BH_PORT_RESET req not supported for USB 2.0 roothub usb usb9: Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK. IPVS: ftp: loaded support on port[0] = 21 vhci_hcd: USB_PORT_FEAT_BH_PORT_RESET req not supported for USB 2.0 roothub ubi: mtd0 is already attached to ubi0 ubi: mtd0 is already attached to ubi0 ubi: mtd0 is already attached to ubi0 ubi: mtd0 is already attached to ubi0 ubi: mtd0 is already attached to ubi0 IPVS: ftp: loaded support on port[0] = 21 ubi: mtd0 is already attached to ubi0 ubi: mtd0 is already attached to ubi0 nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. ubi: mtd0 is already attached to ubi0 ubi: mtd0 is already attached to ubi0 IPVS: ftp: loaded support on port[0] = 21 ubi: mtd0 is already attached to ubi0 ubi: mtd0 is already attached to ubi0 ubi: mtd0 is already attached to ubi0