Warning: Permanently added '10.128.10.1' (ED25519) to the list of known hosts.
executing program
syzkaller login: [ 50.632099][ T3540]
[ 50.634450][ T3540] ======================================================
[ 50.641442][ T3540] WARNING: possible circular locking dependency detected
[ 50.648434][ T3540] 6.1.60-syzkaller #0 Not tainted
[ 50.653428][ T3540] ------------------------------------------------------
[ 50.660417][ T3540] syz-executor427/3540 is trying to acquire lock:
[ 50.666803][ T3540] ffff888140fa0400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_bmap+0x4b/0x410
[ 50.676356][ T3540]
[ 50.676356][ T3540] but task is already holding lock:
[ 50.683706][ T3540] ffff8880292aa3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x323/0xc40
[ 50.694302][ T3540]
[ 50.694302][ T3540] which lock already depends on the new lock.
[ 50.694302][ T3540]
[ 50.704683][ T3540]
[ 50.704683][ T3540] the existing dependency chain (in reverse order) is:
[ 50.713671][ T3540]
[ 50.713671][ T3540] -> #3 (&journal->j_checkpoint_mutex){+.+.}-{3:3}:
[ 50.722427][ T3540] lock_acquire+0x1f8/0x5a0
[ 50.727440][ T3540] mutex_lock_io_nested+0x134/0xab0
[ 50.733168][ T3540] jbd2_journal_flush+0x29b/0xc40
[ 50.738709][ T3540] ext4_ioctl+0x3986/0x5f60
[ 50.743720][ T3540] __se_sys_ioctl+0xf1/0x160
[ 50.748820][ T3540] do_syscall_64+0x3d/0xb0
[ 50.753746][ T3540] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 50.760144][ T3540]
[ 50.760144][ T3540] -> #2 (&journal->j_barrier){+.+.}-{3:3}:
[ 50.768121][ T3540] lock_acquire+0x1f8/0x5a0
[ 50.773135][ T3540] __mutex_lock+0x132/0xd80
[ 50.778147][ T3540] jbd2_journal_lock_updates+0x2b0/0x380
[ 50.784286][ T3540] ext4_change_inode_journal_flag+0x1a8/0x6e0
[ 50.790861][ T3540] ext4_fileattr_set+0xe04/0x1770
[ 50.796408][ T3540] vfs_fileattr_set+0x8f3/0xd30
[ 50.801769][ T3540] do_vfs_ioctl+0x1cd1/0x2a90
[ 50.806957][ T3540] __se_sys_ioctl+0x81/0x160
[ 50.812061][ T3540] do_syscall_64+0x3d/0xb0
[ 50.816985][ T3540] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 50.823389][ T3540]
[ 50.823389][ T3540] -> #1 (&sbi->s_writepages_rwsem){++++}-{0:0}:
[ 50.831798][ T3540] lock_acquire+0x1f8/0x5a0
[ 50.836813][ T3540] percpu_down_write+0x50/0x2f0
[ 50.842172][ T3540] ext4_ind_migrate+0x254/0x760
[ 50.847532][ T3540] ext4_fileattr_set+0xe9b/0x1770
[ 50.853062][ T3540] vfs_fileattr_set+0x8f3/0xd30
[ 50.858423][ T3540] do_vfs_ioctl+0x1cd1/0x2a90
[ 50.863609][ T3540] __se_sys_ioctl+0x81/0x160
[ 50.868707][ T3540] do_syscall_64+0x3d/0xb0
[ 50.873630][ T3540] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 50.880031][ T3540]
[ 50.880031][ T3540] -> #0 (&sb->s_type->i_mutex_key#8){++++}-{3:3}:
[ 50.888618][ T3540] validate_chain+0x1667/0x58e0
[ 50.893982][ T3540] __lock_acquire+0x125b/0x1f80
[ 50.899340][ T3540] lock_acquire+0x1f8/0x5a0
[ 50.904355][ T3540] down_read+0xad/0xa30
[ 50.909028][ T3540] ext4_bmap+0x4b/0x410
[ 50.913689][ T3540] bmap+0xa1/0xd0
[ 50.917838][ T3540] jbd2_journal_flush+0x5b5/0xc40
[ 50.923375][ T3540] ext4_ioctl+0x3986/0x5f60
[ 50.928383][ T3540] __se_sys_ioctl+0xf1/0x160
[ 50.933482][ T3540] do_syscall_64+0x3d/0xb0
[ 50.938407][ T3540] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 50.944804][ T3540]
[ 50.944804][ T3540] other info that might help us debug this:
[ 50.944804][ T3540]
[ 50.955013][ T3540] Chain exists of:
[ 50.955013][ T3540] &sb->s_type->i_mutex_key#8 --> &journal->j_barrier --> &journal->j_checkpoint_mutex
[ 50.955013][ T3540]
[ 50.970469][ T3540] Possible unsafe locking scenario:
[ 50.970469][ T3540]
[ 50.977897][ T3540] CPU0 CPU1
[ 50.983244][ T3540] ---- ----
[ 50.988591][ T3540] lock(&journal->j_checkpoint_mutex);
[ 50.994124][ T3540] lock(&journal->j_barrier);
[ 51.001391][ T3540] lock(&journal->j_checkpoint_mutex);
[ 51.009437][ T3540] lock(&sb->s_type->i_mutex_key#8);
[ 51.014800][ T3540]
[ 51.014800][ T3540] *** DEADLOCK ***
[ 51.014800][ T3540]
[ 51.022926][ T3540] 2 locks held by syz-executor427/3540:
[ 51.028449][ T3540] #0: ffff8880292aa170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x2b0/0x380
[ 51.039308][ T3540] #1: ffff8880292aa3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x323/0xc40
[ 51.050351][ T3540]
[ 51.050351][ T3540] stack backtrace:
[ 51.056224][ T3540] CPU: 1 PID: 3540 Comm: syz-executor427 Not tainted 6.1.60-syzkaller #0
[ 51.064621][ T3540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 51.074660][ T3540] Call Trace:
[ 51.077932][ T3540] <TASK>
[ 51.080851][ T3540] dump_stack_lvl+0x1e3/0x2cb
[ 51.085519][ T3540] ? nf_tcp_handle_invalid+0x642/0x642
[ 51.090968][ T3540] ? print_circular_bug+0x12b/0x1a0
[ 51.096159][ T3540] check_noncircular+0x2fa/0x3b0
[ 51.101088][ T3540] ? add_chain_block+0x850/0x850
[ 51.106016][ T3540] ? lockdep_lock+0x11f/0x2a0
[ 51.110687][ T3540] ? _find_first_zero_bit+0xd0/0x100
[ 51.115960][ T3540] validate_chain+0x1667/0x58e0
[ 51.120806][ T3540] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 51.126777][ T3540] ? reacquire_held_locks+0x660/0x660
[ 51.132141][ T3540] ? finish_task_switch+0x1ca/0x810
[ 51.137329][ T3540] ? validate_chain+0x115/0x58e0
[ 51.142262][ T3540] ? finish_task_switch+0x299/0x810
[ 51.147457][ T3540] ? mark_lock+0x9a/0x340
[ 51.151791][ T3540] __lock_acquire+0x125b/0x1f80
[ 51.156646][ T3540] lock_acquire+0x1f8/0x5a0
[ 51.161142][ T3540] ? ext4_bmap+0x4b/0x410
[ 51.165464][ T3540] ? read_lock_is_recursive+0x10/0x10
[ 51.170826][ T3540] ? __might_sleep+0xb0/0xb0
[ 51.175402][ T3540] ? __lock_acquire+0x125b/0x1f80
[ 51.180424][ T3540] down_read+0xad/0xa30
[ 51.184572][ T3540] ? ext4_bmap+0x4b/0x410
[ 51.188891][ T3540] ? __down_common+0x8b0/0x8b0
[ 51.193652][ T3540] ? jbd2_journal_flush+0x374/0xc40
[ 51.198843][ T3540] ? __lock_acquire+0x1f80/0x1f80
[ 51.203856][ T3540] ? jbd2_cleanup_journal_tail+0x1a7/0x2c0
[ 51.209659][ T3540] ? ext4_journalled_write_end+0xec0/0xec0
[ 51.215452][ T3540] ext4_bmap+0x4b/0x410
[ 51.219595][ T3540] ? ext4_journalled_write_end+0xec0/0xec0
[ 51.225389][ T3540] bmap+0xa1/0xd0
[ 51.229012][ T3540] jbd2_journal_flush+0x5b5/0xc40
[ 51.234028][ T3540] ? jbd2_journal_lock_updates+0x2b0/0x380
[ 51.239820][ T3540] ? stack_trace_save+0x113/0x1c0
[ 51.244834][ T3540] ? __bpf_trace_jbd2_shrink_checkpoint_list+0x50/0x50
[ 51.251672][ T3540] ? bpf_lsm_capable+0x5/0x10
[ 51.256387][ T3540] ? security_capable+0x86/0xb0
[ 51.261231][ T3540] ext4_ioctl+0x3986/0x5f60
[ 51.265721][ T3540] ? kasan_set_track+0x4b/0x70
[ 51.270474][ T3540] ? security_file_ioctl+0x6d/0xa0
[ 51.275575][ T3540] ? __se_sys_ioctl+0x47/0x160
[ 51.280344][ T3540] ? do_syscall_64+0x3d/0xb0
[ 51.284943][ T3540] ? ext4_fileattr_set+0x1770/0x1770
[ 51.290227][ T3540] ? do_vfs_ioctl+0x1ab2/0x2a90
[ 51.295072][ T3540] ? __x64_compat_sys_ioctl+0x80/0x80
[ 51.300434][ T3540] ? __lock_acquire+0x1f80/0x1f80
[ 51.305447][ T3540] ? lockdep_hardirqs_on+0x94/0x130
[ 51.310637][ T3540] ? __kmem_cache_free+0x25c/0x3c0
[ 51.315735][ T3540] ? tomoyo_path_number_perm+0x61b/0x7f0
[ 51.321362][ T3540] ? tomoyo_path_number_perm+0x68a/0x7f0
[ 51.326985][ T3540] ? tomoyo_path_number_perm+0x1f2/0x7f0
[ 51.332611][ T3540] ? tomoyo_check_path_acl+0x1c0/0x1c0
[ 51.338058][ T3540] ? lockdep_hardirqs_on+0x94/0x130
[ 51.343257][ T3540] ? kmem_cache_free+0x292/0x510
[ 51.348188][ T3540] ? do_sys_openat2+0x42b/0x500
[ 51.353033][ T3540] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 51.359004][ T3540] ? print_irqtrace_events+0x210/0x210
[ 51.364460][ T3540] ? print_irqtrace_events+0x210/0x210
[ 51.369914][ T3540] ? bpf_lsm_file_ioctl+0x5/0x10
[ 51.374841][ T3540] ? security_file_ioctl+0x7d/0xa0
[ 51.379944][ T3540] ? ext4_fileattr_set+0x1770/0x1770
[ 51.385219][ T3540] __se_sys_ioctl+0xf1/0x160
[ 51.389809][ T3540] do_syscall_64+0x3d/0xb0
[ 51.394227][ T3540] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 51.400110][ T3540] RIP: 0033:0x7fe7974b7329
[ 51.404520][ T3540] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
[ 51.424119][ T3540] RSP: 002b:00007ffe4e8b51e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 51.432523][ T3540] RAX: fffffffff