====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.5/31385 is trying to acquire lock: 000000001b4cad17 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_get_block+0x292/0x960 fs/hfsplus/extents.c:260 but task is already holding lock: 000000007d5be0fb (&tree->tree_lock#2){+.+.}, at: hfsplus_find_init+0x1b7/0x220 fs/hfsplus/bfind.c:30 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&tree->tree_lock#2){+.+.}: hfsplus_file_truncate+0xde7/0x1040 fs/hfsplus/extents.c:595 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 vfs_truncate+0x54b/0x6d0 fs/open.c:109 do_sys_truncate fs/open.c:132 [inline] do_sys_truncate+0x145/0x170 fs/open.c:120 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&HFSPLUS_I(inode)->extents_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 hfsplus_get_block+0x292/0x960 fs/hfsplus/extents.c:260 block_read_full_page+0x288/0xd10 fs/buffer.c:2259 do_read_cache_page+0x533/0x1170 mm/filemap.c:2828 read_mapping_page include/linux/pagemap.h:402 [inline] __hfs_bnode_create+0x5b7/0xb60 fs/hfsplus/bnode.c:447 hfsplus_bnode_find+0x2aa/0xb80 fs/hfsplus/bnode.c:497 hfsplus_brec_find+0x2af/0x500 fs/hfsplus/bfind.c:183 hfsplus_brec_read+0x28/0x120 fs/hfsplus/bfind.c:222 hfsplus_find_cat+0x1d0/0x480 fs/hfsplus/catalog.c:202 hfsplus_iget+0x400/0x790 fs/hfsplus/super.c:81 hfsplus_fill_super+0xc5f/0x19e0 fs/hfsplus/super.c:503 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 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 F2FS-fs (loop3): invalid crc value entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible unsafe locking scenario: F2FS-fs (loop3): Found nat_bits in checkpoint CPU0 CPU1 ---- ---- lock(&tree->tree_lock#2); lock(&HFSPLUS_I(inode)->extents_lock); lock(&tree->tree_lock#2); F2FS-fs (loop3): f2fs_check_nid_range: out-of-range nid=2, run fsck to fix. lock(&HFSPLUS_I(inode)->extents_lock); *** DEADLOCK *** 2 locks held by syz-executor.5/31385: #0: 00000000a801e48e (&type->s_umount_key#79/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 00000000a801e48e (&type->s_umount_key#79/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 #1: 000000007d5be0fb (&tree->tree_lock#2){+.+.}, at: hfsplus_find_init+0x1b7/0x220 fs/hfsplus/bfind.c:30 stack backtrace: CPU: 0 PID: 31385 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 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_get_block+0x292/0x960 fs/hfsplus/extents.c:260 block_read_full_page+0x288/0xd10 fs/buffer.c:2259 do_read_cache_page+0x533/0x1170 mm/filemap.c:2828 read_mapping_page include/linux/pagemap.h:402 [inline] __hfs_bnode_create+0x5b7/0xb60 fs/hfsplus/bnode.c:447 hfsplus_bnode_find+0x2aa/0xb80 fs/hfsplus/bnode.c:497 hfsplus_brec_find+0x2af/0x500 fs/hfsplus/bfind.c:183 hfsplus_brec_read+0x28/0x120 fs/hfsplus/bfind.c:222 hfsplus_find_cat+0x1d0/0x480 fs/hfsplus/catalog.c:202 hfsplus_iget+0x400/0x790 fs/hfsplus/super.c:81 hfsplus_fill_super+0xc5f/0x19e0 fs/hfsplus/super.c:503 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 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: 0033:0x7ffab5a0e62a 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:00007ffab3f7ef88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000000005f6 RCX: 00007ffab5a0e62a RDX: 0000000020000000 RSI: 00000000200000c0 RDI: 00007ffab3f7efe0 RBP: 00007ffab3f7f020 R08: 00007ffab3f7f020 R09: 0000000000200008 R10: 0000000000200008 R11: 0000000000000202 R12: 0000000020000000 R13: 00000000200000c0 R14: 00007ffab3f7efe0 R15: 0000000020000080 hfsplus: failed to load root directory F2FS-fs (loop3): Mounted with checkpoint version = 48b305e4 audit: type=1804 audit(1678130797.685:571): pid=31403 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir3608262653/syzkaller.MVOyNP/645/bus" dev="sda1" ino=14675 res=1 audit: type=1804 audit(1678130797.695:572): pid=31403 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir3608262653/syzkaller.MVOyNP/645/bus" dev="sda1" ino=14675 res=1 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. F2FS-fs (loop3): sanity_check_inode: inode (ino=4) has corrupted i_extra_isize: 36, max: 24 audit: type=1804 audit(1678130798.415:573): pid=31420 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir1666448062/syzkaller.J70u91/76/bus" dev="sda1" ino=14771 res=1 audit: type=1804 audit(1678130798.425:574): pid=31420 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir1666448062/syzkaller.J70u91/76/bus" dev="sda1" ino=14771 res=1 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. audit: type=1804 audit(1678130799.245:575): pid=31449 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir1666448062/syzkaller.J70u91/77/bus" dev="sda1" ino=15490 res=1 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. hfsplus: failed to load root directory audit: type=1804 audit(1678130799.245:576): pid=31455 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir3608262653/syzkaller.MVOyNP/646/bus" dev="sda1" ino=15459 res=1 audit: type=1804 audit(1678130799.245:577): pid=31453 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir1666448062/syzkaller.J70u91/77/bus" dev="sda1" ino=15490 res=1 audit: type=1804 audit(1678130799.245:578): pid=31454 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir3608262653/syzkaller.MVOyNP/646/bus" dev="sda1" ino=15459 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. audit: type=1804 audit(1678130799.255:579): pid=31449 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir1666448062/syzkaller.J70u91/77/bus" dev="sda1" ino=15490 res=1 hfsplus: failed to load root directory audit: type=1804 audit(1678130799.265:580): pid=31454 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir3608262653/syzkaller.MVOyNP/646/bus" dev="sda1" ino=15459 res=1 XFS (loop3): DAX enabled. Warning: EXPERIMENTAL, use at your own risk XFS (loop3): DAX unsupported by block device. Turning off DAX. XFS (loop3): Mounting V4 Filesystem XFS (loop3): Ending clean mount XFS (loop3): Quotacheck needed: Please wait. XFS (loop3): Quotacheck: Done. XFS (loop3): Unmounting Filesystem netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 'syz-executor.1': attribute type 1 has an invalid length. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. IPVS: ftp: loaded support on port[0] = 21 netlink: 44371 bytes leftover after parsing attributes in process `syz-executor.4'. bond1 (unregistering): Released all slaves netlink: 44371 bytes leftover after parsing attributes in process `syz-executor.4'. XFS (loop3): DAX enabled. Warning: EXPERIMENTAL, use at your own risk XFS (loop3): DAX unsupported by block device. Turning off DAX. XFS (loop3): Mounting V4 Filesystem XFS (loop3): Ending clean mount XFS (loop3): Quotacheck needed: Please wait. XFS (loop3): Quotacheck: Done. XFS (loop3): Unmounting Filesystem netlink: 44371 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 'syz-executor.1': attribute type 1 has an invalid length. netlink: 36287 bytes leftover after parsing attributes in process `syz-executor.4'. Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! net_ratelimit: 1 callbacks suppressed A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. File: /root/syzkaller-testdir1666448062/syzkaller.J70u91/82/bus PID: 31705 Comm: syz-executor.2 netlink: 'syz-executor.1': attribute type 1 has an invalid length. IPVS: ftp: loaded support on port[0] = 21 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. kauditd_printk_skb: 16 callbacks suppressed audit: type=1804 audit(1678130802.695:597): pid=31826 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir1666448062/syzkaller.J70u91/83/bus" dev="sda1" ino=16011 res=1 A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. ipt_CLUSTERIP: ipt_CLUSTERIP is deprecated and it will removed soon, use xt_cluster instead audit: type=1804 audit(1678130802.745:598): pid=31844 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir4227385879/syzkaller.WtUbjp/549/bus" dev="sda1" ino=16013 res=1 audit: type=1804 audit(1678130802.815:599): pid=31844 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir4227385879/syzkaller.WtUbjp/549/bus" dev="sda1" ino=16013 res=1 A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. audit: type=1804 audit(1678130803.585:600): pid=31878 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir1666448062/syzkaller.J70u91/84/bus" dev="sda1" ino=15745 res=1 A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! audit: type=1804 audit(1678130803.615:601): pid=31878 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir1666448062/syzkaller.J70u91/84/bus" dev="sda1" ino=15745 res=1 ipt_CLUSTERIP: ipt_CLUSTERIP is deprecated and it will removed soon, use xt_cluster instead File: /root/syzkaller-testdir1666448062/syzkaller.J70u91/84/bus PID: 31878 Comm: syz-executor.2 audit: type=1804 audit(1678130803.615:602): pid=31878 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir1666448062/syzkaller.J70u91/84/bus" dev="sda1" ino=15745 res=1 A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. audit: type=1804 audit(1678130803.685:603): pid=31887 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir1666448062/syzkaller.J70u91/84/bus" dev="sda1" ino=15745 res=1 audit: type=1804 audit(1678130803.986:604): pid=31925 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir4227385879/syzkaller.WtUbjp/550/bus" dev="sda1" ino=16008 res=1 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1678130803.986:605): pid=31925 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir4227385879/syzkaller.WtUbjp/550/bus" dev="sda1" ino=16008 res=1 A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. audit: type=1804 audit(1678130803.986:606): pid=31925 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir4227385879/syzkaller.WtUbjp/550/bus" dev="sda1" ino=16008 res=1 A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 nla_parse: 28 callbacks suppressed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 44371 bytes leftover after parsing attributes in process `syz-executor.4'.