======================================================
WARNING: possible circular locking dependency detected
6.2.0-rc7-next-20230207 #1 Not tainted
------------------------------------------------------
syz-executor.1/4417 is trying to acquire lock:
ffff88800ff3a170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x162/0x310
but task is already holding lock:
ffff88800ff38b90 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_change_inode_journal_flag+0x17f/0x550
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (&sbi->s_writepages_rwsem){++++}-{0:0}:
percpu_down_write+0x51/0x350
ext4_ind_migrate+0x23b/0x840
ext4_fileattr_set+0x1521/0x19f0
vfs_fileattr_set+0x7a2/0xbd0
do_vfs_ioctl+0xfc1/0x1690
__x64_sys_ioctl+0x110/0x210
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
-> #2 (&sb->s_type->i_mutex_key#6){++++}-{3:3}:
down_read+0x3d/0x50
ext4_bmap+0x52/0x470
bmap+0xb0/0x130
jbd2_journal_bmap+0xac/0x1d0
jbd2_journal_flush+0x87f/0xc90
__ext4_ioctl+0x9fd/0x4330
__x64_sys_ioctl+0x19e/0x210
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
-> #1 (&journal->j_checkpoint_mutex){+.+.}-{3:3}:
mutex_lock_io_nested+0x149/0x1300
jbd2_journal_flush+0x19e/0xc90
__ext4_ioctl+0x9fd/0x4330
__x64_sys_ioctl+0x19e/0x210
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
-> #0 (&journal->j_barrier){+.+.}-{3:3}:
__lock_acquire+0x2da7/0x63b0
lock_acquire.part.0+0xec/0x320
__mutex_lock+0x133/0x14a0
jbd2_journal_lock_updates+0x162/0x310
ext4_change_inode_journal_flag+0x187/0x550
ext4_fileattr_set+0x14fa/0x19f0
vfs_fileattr_set+0x7a2/0xbd0
do_vfs_ioctl+0xfc1/0x1690
__x64_sys_ioctl+0x110/0x210
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
other info that might help us debug this:
Chain exists of:
&journal->j_barrier --> &sb->s_type->i_mutex_key#6 --> &sbi->s_writepages_rwsem
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&sbi->s_writepages_rwsem);
lock(&sb->s_type->i_mutex_key#6);
lock(&sbi->s_writepages_rwsem);
lock(&journal->j_barrier);
*** DEADLOCK ***
4 locks held by syz-executor.1/4417:
#0: ffff88800ff2e438 (sb_writers#3){.+.+}-{0:0}, at: do_vfs_ioctl+0xf86/0x1690
#1: ffff88801bffdd70 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: vfs_fileattr_set+0x14c/0xbd0
#2: ffff88801bffdf10 (mapping.invalidate_lock){++++}-{3:3}, at: ext4_change_inode_journal_flag+0x126/0x550
#3: ffff88800ff38b90 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_change_inode_journal_flag+0x17f/0x550
stack backtrace:
CPU: 1 PID: 4417 Comm: syz-executor.1 Not tainted 6.2.0-rc7-next-20230207 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x91/0xf0
check_noncircular+0x263/0x2e0
__lock_acquire+0x2da7/0x63b0
lock_acquire.part.0+0xec/0x320
__mutex_lock+0x133/0x14a0
jbd2_journal_lock_updates+0x162/0x310
ext4_change_inode_journal_flag+0x187/0x550
ext4_fileattr_set+0x14fa/0x19f0
vfs_fileattr_set+0x7a2/0xbd0
do_vfs_ioctl+0xfc1/0x1690
__x64_sys_ioctl+0x110/0x210
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f9333443b19
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f93309b9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9333556f60 RCX: 00007f9333443b19
RDX: 0000000020000040 RSI: 0000000040086602 RDI: 0000000000000003
RBP: 00007f933349df6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8e1847ef R14: 00007f93309b9300 R15: 0000000000022000
loop4: detected capacity change from 0 to 7
Bluetooth: hci2: Malformed Event: 0x02
loop4: detected capacity change from 0 to 7
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current]
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
loop0: detected capacity change from 0 to 264192
FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
loop0: detected capacity change from 0 to 264192
loop4: detected capacity change from 0 to 7
loop2: detected capacity change from 0 to 264192
FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
loop0: detected capacity change from 0 to 264192
loop4: detected capacity change from 0 to 7
FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
loop2: detected capacity change from 0 to 264192
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current]
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
loop0: detected capacity change from 0 to 264192
FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
loop2: detected capacity change from 0 to 264192
FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4582 at mm/gup.c:2121 is_valid_gup_args+0x1dc/0x230
Modules linked in:
CPU: 0 PID: 4582 Comm: syz-executor.0 Not tainted 6.2.0-rc7-next-20230207 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:is_valid_gup_args+0x1dc/0x230
Code: dd ff 48 83 3c 24 00 0f 85 76 ff ff ff e8 5c 50 dd ff 0f 0b 45 31 e4 eb c9 e8 50 50 dd ff 0f 0b 45 31 e4 eb bd e8 44 50 dd ff <0f> 0b 45 31 e4 eb b1 e8 38 50 dd ff 0f 0b 45 31 e4 eb a5 e8 2c 50
RSP: 0018:ffff8880429ef508 EFLAGS: 00010212
RAX: 0000000000004065 RBX: 0000000000040000 RCX: ffffc900025ee000
RDX: 0000000000040000 RSI: ffffffff816e127c RDI: 0000000000000005
RBP: ffff8880429ef568 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000040000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000040000 R15: 0000000000040000
FS: 00007f2124894700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f93334b0e90 CR3: 00000000414fa000 CR4: 0000000000350ef0
Call Trace:
pin_user_pages_fast+0x83/0x100
iov_iter_extract_pages+0x2b9/0x1e90
bio_iov_iter_get_pages+0x341/0x13c0
iomap_dio_bio_iter+0x78e/0x1350
__iomap_dio_rw+0xe22/0x1ce0
iomap_dio_rw+0x40/0xa0
ext4_file_write_iter+0xb5d/0x1930
vfs_write+0x9b4/0xdc0
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f212731eb19
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2124894188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f2127431f60 RCX: 00007f212731eb19
RDX: 0000000000140000 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 00007f2127378f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffea69c1bff R14: 00007f2124894300 R15: 0000000000022000
irq event stamp: 0
hardirqs last enabled at (0): [<0000000000000000>] 0x0
hardirqs last disabled at (0): [] copy_process+0x1b78/0x7390
softirqs last enabled at (0): [] copy_process+0x1bbc/0x7390
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---
syz-executor.7 (4583) used greatest stack depth: 24152 bytes left
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
syz-executor.4 (4668) used greatest stack depth: 23872 bytes left
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
syz-executor.2(4707): Recompile this 32-bit application with '-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE' or '-D_GNU_SOURCE'
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
syz-executor.2(4722): Recompile this 32-bit application with '-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE' or '-D_GNU_SOURCE'
audit: type=1400 audit(1675769537.212:10): avc: denied { read } for pid=4719 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
syz-executor.2(4744): Recompile this 32-bit application with '-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE' or '-D_GNU_SOURCE'
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
syz-executor.2(4755): Recompile this 32-bit application with '-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE' or '-D_GNU_SOURCE'