IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 ====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.2/19574 is trying to acquire lock: 000000007853155d (&tree->tree_lock#2/1){+.+.}, at: hfsplus_find_init+0x170/0x220 fs/hfsplus/bfind.c:33 but task is already holding lock: 00000000b7721028 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040 fs/hfsplus/extents.c:576 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&HFSPLUS_I(inode)->extents_lock){+.+.}: hfsplus_file_extend+0x1bb/0xf40 fs/hfsplus/extents.c:457 hfsplus_bmap_reserve+0x298/0x440 fs/hfsplus/btree.c:357 __hfsplus_ext_write_extent+0x45b/0x5a0 fs/hfsplus/extents.c:104 __hfsplus_ext_cache_extent fs/hfsplus/extents.c:186 [inline] hfsplus_file_truncate+0xcf8/0x1040 fs/hfsplus/extents.c:598 hfsplus_setattr+0x1e7/0x310 fs/hfsplus/inode.c:263 notify_change+0x70b/0xfc0 fs/attr.c:334 do_truncate+0x134/0x1f0 fs/open.c:63 handle_truncate fs/namei.c:3009 [inline] do_last fs/namei.c:3427 [inline] path_openat+0x2308/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&tree->tree_lock#2/1){+.+.}: __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 hfsplus_find_init+0x170/0x220 fs/hfsplus/bfind.c:33 hfsplus_file_truncate+0x297/0x1040 fs/hfsplus/extents.c:582 hfsplus_delete_inode+0x18d/0x220 fs/hfsplus/inode.c:419 hfsplus_unlink+0x595/0x820 fs/hfsplus/dir.c:405 hfsplus_rename+0xbe/0x200 fs/hfsplus/dir.c:545 vfs_rename+0x67e/0x1bc0 fs/namei.c:4479 do_renameat2+0xb59/0xc70 fs/namei.c:4629 __do_sys_rename fs/namei.c:4675 [inline] __se_sys_rename fs/namei.c:4673 [inline] __x64_sys_rename+0x5d/0x80 fs/namei.c:4673 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&HFSPLUS_I(inode)->extents_lock); lock(&tree->tree_lock#2/1); lock(&HFSPLUS_I(inode)->extents_lock); lock(&tree->tree_lock#2/1); *** DEADLOCK *** 8 locks held by syz-executor.2/19574: #0: 00000000ec5b9e77 (sb_writers#17){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000ec5b9e77 (sb_writers#17){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000b9cd1ff4 (&type->s_vfs_rename_key#3){+.+.}, at: lock_rename+0x54/0x280 fs/namei.c:2867 #2: 00000000784ffa5b (&type->i_mutex_dir_key#11/1){+.+.}, at: inode_lock_nested include/linux/fs.h:783 [inline] #2: 00000000784ffa5b (&type->i_mutex_dir_key#11/1){+.+.}, at: lock_rename+0x132/0x280 fs/namei.c:2878 #3: 00000000e4a68795 (&type->i_mutex_dir_key#11/2){+.+.}, at: inode_lock_nested include/linux/fs.h:783 [inline] #3: 00000000e4a68795 (&type->i_mutex_dir_key#11/2){+.+.}, at: lock_rename+0x166/0x280 fs/namei.c:2879 #4: 00000000b3d1302f (&sb->s_type->i_mutex_key#23){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #4: 00000000b3d1302f (&sb->s_type->i_mutex_key#23){+.+.}, at: lock_two_nondirectories+0xec/0x110 fs/inode.c:1015 #5: 000000002c70899f (&sb->s_type->i_mutex_key#23/4){+.+.}, at: inode_lock_nested include/linux/fs.h:783 [inline] #5: 000000002c70899f (&sb->s_type->i_mutex_key#23/4){+.+.}, at: lock_two_nondirectories+0xd1/0x110 fs/inode.c:1017 #6: 00000000e27529be (&sbi->vh_mutex){+.+.}, at: hfsplus_unlink+0x140/0x820 fs/hfsplus/dir.c:370 #7: 00000000b7721028 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040 fs/hfsplus/extents.c:576 stack backtrace: CPU: 0 PID: 19574 Comm: syz-executor.2 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_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2420 [inline] __lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 hfsplus_find_init+0x170/0x220 fs/hfsplus/bfind.c:33 hfsplus_file_truncate+0x297/0x1040 fs/hfsplus/extents.c:582 hfsplus_delete_inode+0x18d/0x220 fs/hfsplus/inode.c:419 hfsplus_unlink+0x595/0x820 fs/hfsplus/dir.c:405 hfsplus_rename+0xbe/0x200 fs/hfsplus/dir.c:545 vfs_rename+0x67e/0x1bc0 fs/namei.c:4479 do_renameat2+0xb59/0xc70 fs/namei.c:4629 __do_sys_rename fs/namei.c:4675 [inline] __se_sys_rename fs/namei.c:4673 [inline] __x64_sys_rename+0x5d/0x80 fs/namei.c:4673 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f965d6410c9 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:00007f965bbb3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f965d760f80 RCX: 00007f965d6410c9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000000 RBP: 00007f965d69cae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffee1d1258f R14: 00007f965bbb3300 R15: 0000000000022000 attempt to access beyond end of device loop2: rw=0, want=201326594, limit=1024 buffer_io_error: 134 callbacks suppressed Buffer I/O error on dev loop2, logical block 100663296, async page read hfsplus: unable to mark blocks free: error -5 hfsplus: can't free extent ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 attempt to access beyond end of device loop2: rw=0, want=201326594, limit=1024 Buffer I/O error on dev loop2, logical block 100663296, async page read hfsplus: unable to mark blocks free: error -5 hfsplus: can't free extent mac80211_hwsim hwsim13 : renamed from wlan1 syz-executor.2 uses obsolete (PF_INET,SOCK_PACKET) netlink: 'syz-executor.2': attribute type 1 has an invalid length. bond1 (uninitialized): Released all slaves mac80211_hwsim hwsim6 : renamed from wlan1 netlink: 'syz-executor.2': attribute type 1 has an invalid length. bond1 (uninitialized): Released all slaves netlink: 'syz-executor.2': attribute type 1 has an invalid length. bond1 (uninitialized): Released all slaves netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. IPVS: ftp: loaded support on port[0] = 21 attempt to access beyond end of device loop2: rw=0, want=201326594, limit=1024 Buffer I/O error on dev loop2, logical block 100663296, async page read hfsplus: unable to mark blocks free: error -5 hfsplus: can't free extent device bond1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready 8021q: adding VLAN 0 to HW filter on device bond1 audit: type=1800 audit(1673076861.239:210): pid=20429 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="file0" dev="sda1" ino=13962 res=0 IPVS: ftp: loaded support on port[0] = 21 audit: type=1800 audit(1673076861.319:211): pid=20440 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="file0" dev="sda1" ino=13991 res=0 audit: type=1800 audit(1673076861.399:212): pid=20470 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="file0" dev="sda1" ino=14002 res=0 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1673076862.349:213): pid=20430 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir2081057615/syzkaller.yya9aD/152/bus" dev="sda1" ino=13904 res=1 audit: type=1804 audit(1673076862.439:214): pid=20573 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir2081057615/syzkaller.yya9aD/153/bus" dev="sda1" ino=14436 res=1 audit: type=1804 audit(1673076864.359:215): pid=20643 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir2081057615/syzkaller.yya9aD/154/bus" dev="sda1" ino=13877 res=1 BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): disabling free space tree BTRFS info (device loop2): unrecognized mount option 'user_subvol_rm_alowed' BTRFS error (device loop2): open_ctree failed