hfsplus: invalid extended attribute record IPVS: ftp: loaded support on port[0] = 21 ====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.3/15739 is trying to acquire lock: 00000000dab86b7d (&sbi->alloc_mutex){+.+.}, at: hfsplus_block_free+0xdb/0x5d0 fs/hfsplus/bitmap.c:182 but task is already holding lock: 00000000a22c77b2 (&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_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] hfsplus_block_allocate+0x197/0xa60 fs/hfsplus/bitmap.c:37 hfsplus_file_extend+0x436/0xf40 fs/hfsplus/extents.c:468 hfsplus_get_block+0x196/0x960 fs/hfsplus/extents.c:245 __block_write_begin_int+0x46c/0x17b0 fs/buffer.c:1978 __block_write_begin fs/buffer.c:2028 [inline] block_write_begin+0x58/0x2e0 fs/buffer.c:2087 cont_write_begin+0x55a/0x820 fs/buffer.c:2440 hfsplus_write_begin+0x87/0x150 fs/hfsplus/inode.c:52 cont_expand_zero fs/buffer.c:2367 [inline] cont_write_begin+0x2ee/0x820 fs/buffer.c:2430 hfsplus_write_begin+0x87/0x150 fs/hfsplus/inode.c:52 generic_cont_expand_simple+0x106/0x170 fs/buffer.c:2331 hfsplus_setattr+0x18b/0x310 fs/hfsplus/inode.c:257 notify_change+0x70b/0xfc0 fs/attr.c:334 do_truncate+0x134/0x1f0 fs/open.c:63 do_sys_ftruncate+0x492/0x560 fs/open.c:194 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&sbi->alloc_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 hfsplus_block_free+0xdb/0x5d0 fs/hfsplus/bitmap.c:182 hfsplus_free_extents+0x228/0x520 fs/hfsplus/extents.c:363 hfsplus_file_truncate+0xd96/0x1040 fs/hfsplus/extents.c:591 hfsplus_delete_inode+0x18d/0x220 fs/hfsplus/inode.c:419 hfsplus_unlink+0x595/0x820 fs/hfsplus/dir.c:405 vfs_unlink+0x27d/0x4e0 fs/namei.c:4002 do_unlinkat+0x3b8/0x660 fs/namei.c:4065 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(&sbi->alloc_mutex); lock(&HFSPLUS_I(inode)->extents_lock); lock(&sbi->alloc_mutex); *** DEADLOCK *** 5 locks held by syz-executor.3/15739: #0: 00000000c58ab199 (sb_writers#25){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000c58ab199 (sb_writers#25){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000460a62fc (&type->i_mutex_dir_key#14/1){+.+.}, at: inode_lock_nested include/linux/fs.h:783 [inline] #1: 00000000460a62fc (&type->i_mutex_dir_key#14/1){+.+.}, at: do_unlinkat+0x27d/0x660 fs/namei.c:4051 #2: 000000006350e492 (&sb->s_type->i_mutex_key#29){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #2: 000000006350e492 (&sb->s_type->i_mutex_key#29){+.+.}, at: vfs_unlink+0xca/0x4e0 fs/namei.c:3993 #3: 0000000015d61578 (&sbi->vh_mutex){+.+.}, at: hfsplus_unlink+0x140/0x820 fs/hfsplus/dir.c:370 #4: 00000000a22c77b2 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040 fs/hfsplus/extents.c:576 stack backtrace: CPU: 0 PID: 15739 Comm: syz-executor.3 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_block_free+0xdb/0x5d0 fs/hfsplus/bitmap.c:182 hfsplus_free_extents+0x228/0x520 fs/hfsplus/extents.c:363 hfsplus_file_truncate+0xd96/0x1040 fs/hfsplus/extents.c:591 hfsplus_delete_inode+0x18d/0x220 fs/hfsplus/inode.c:419 hfsplus_unlink+0x595/0x820 fs/hfsplus/dir.c:405 vfs_unlink+0x27d/0x4e0 fs/namei.c:4002 do_unlinkat+0x3b8/0x660 fs/namei.c:4065 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe1d5cf90d9 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:00007fe1d426b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 00007fe1d5e18f80 RCX: 00007fe1d5cf90d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007fe1d5d54ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe6c464b8f R14: 00007fe1d426b300 R15: 0000000000022000 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready hfsplus: invalid extended attribute record IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready kauditd_printk_skb: 25 callbacks suppressed audit: type=1804 audit(1670182302.085:316): pid=15833 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir2910190345/syzkaller.QaedVD/115/memory.events" dev="sda1" ino=14109 res=1 audit: type=1800 audit(1670182302.085:317): pid=15833 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.3" name="memory.events" dev="sda1" ino=14109 res=0 audit: type=1804 audit(1670182302.375:318): pid=15857 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir2910190345/syzkaller.QaedVD/116/memory.events" dev="sda1" ino=14556 res=1 audit: type=1800 audit(1670182302.375:319): pid=15857 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.3" name="memory.events" dev="sda1" ino=14556 res=0 F2FS-fs (loop2): Found nat_bits in checkpoint F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 F2FS-fs (loop5): Found nat_bits in checkpoint F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 audit: type=1804 audit(1670182303.465:320): pid=15901 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir2910190345/syzkaller.QaedVD/117/memory.events" dev="sda1" ino=14229 res=1 audit: type=1800 audit(1670182303.465:321): pid=15901 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.3" name="memory.events" dev="sda1" ino=14229 res=0 print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, lost async page write print_req_error: I/O error, dev loop7, sector 4 Buffer I/O error on dev loop7, logical block 1, lost async page write print_req_error: I/O error, dev loop7, sector 8 Buffer I/O error on dev loop7, logical block 2, lost async page write print_req_error: I/O error, dev loop7, sector 12 Buffer I/O error on dev loop7, logical block 3, lost async page write print_req_error: I/O error, dev loop7, sector 16 Buffer I/O error on dev loop7, logical block 4, lost async page write print_req_error: I/O error, dev loop7, sector 20 Buffer I/O error on dev loop7, logical block 5, lost async page write print_req_error: I/O error, dev loop7, sector 24 Buffer I/O error on dev loop7, logical block 6, lost async page write print_req_error: I/O error, dev loop7, sector 28 Buffer I/O error on dev loop7, logical block 7, lost async page write print_req_error: I/O error, dev loop7, sector 32 Buffer I/O error on dev loop7, logical block 8, lost async page write print_req_error: I/O error, dev loop7, sector 36 Buffer I/O error on dev loop7, logical block 10, lost async page write F2FS-fs (loop3): Found nat_bits in checkpoint F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 F2FS-fs (loop2): Found nat_bits in checkpoint F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 audit: type=1804 audit(1670182305.795:322): pid=16007 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir2398540719/syzkaller.7omLNv/121/memory.events" dev="sda1" ino=14578 res=1 audit: type=1800 audit(1670182305.795:323): pid=16007 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="memory.events" dev="sda1" ino=14578 res=0 F2FS-fs (loop3): Found nat_bits in checkpoint F2FS-fs (loop2): Found nat_bits in checkpoint f2fs_msg: 2 callbacks suppressed F2FS-fs (loop2): Found nat_bits in checkpoint F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 F2FS-fs (loop3): Found nat_bits in checkpoint F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 print_req_error: 1737 callbacks suppressed print_req_error: I/O error, dev loop7, sector 0 buffer_io_error: 1736 callbacks suppressed Buffer I/O error on dev loop7, logical block 0, lost async page write print_req_error: I/O error, dev loop7, sector 4 Buffer I/O error on dev loop7, logical block 1, lost async page write print_req_error: I/O error, dev loop7, sector 8 Buffer I/O error on dev loop7, logical block 2, lost async page write print_req_error: I/O error, dev loop7, sector 12 Buffer I/O error on dev loop7, logical block 3, lost async page write print_req_error: I/O error, dev loop7, sector 16 Buffer I/O error on dev loop7, logical block 4, lost async page write print_req_error: I/O error, dev loop7, sector 20 Buffer I/O error on dev loop7, logical block 5, lost async page write print_req_error: I/O error, dev loop7, sector 24 Buffer I/O error on dev loop7, logical block 6, lost async page write print_req_error: I/O error, dev loop7, sector 28 Buffer I/O error on dev loop7, logical block 7, lost async page write print_req_error: I/O error, dev loop7, sector 32 Buffer I/O error on dev loop7, logical block 8, lost async page write print_req_error: I/O error, dev loop7, sector 36 Buffer I/O error on dev loop7, logical block 9, lost async page write x_tables: ip6_tables: CLASSIFY target: used from hooks PREROUTING, but only usable from FORWARD/OUTPUT/POSTROUTING F2FS-fs (loop2): Found nat_bits in checkpoint F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5