INFO: task syz-executor:5853 blocked for more than 143 seconds.
      Not tainted 6.12.0-rc5-next-20241101-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21168 pid:5853  tgid:5853  ppid:1      flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5327 [inline]
 __schedule+0x184f/0x4c30 kernel/sched/core.c:6707
 __schedule_loop kernel/sched/core.c:6784 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6799
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6856
 rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
 __down_read_common kernel/locking/rwsem.c:1248 [inline]
 __down_read kernel/locking/rwsem.c:1261 [inline]
 down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
 __gfs2_trans_begin+0x55d/0x950 fs/gfs2/trans.c:87
 gfs2_trans_begin+0x71/0xe0 fs/gfs2/trans.c:118
 gfs2_write_jdata_batch fs/gfs2/aops.c:194 [inline]
 gfs2_write_cache_jdata+0x60e/0x1fa0 fs/gfs2/aops.c:323
 gfs2_jdata_writepages+0x85/0x160 fs/gfs2/aops.c:366
 gfs2_ail1_start_one fs/gfs2/log.c:134 [inline]
 gfs2_ail1_flush+0xb8b/0xf50 fs/gfs2/log.c:215
 gfs2_ail1_start fs/gfs2/log.c:246 [inline]
 empty_ail1_list+0x1a5/0x3c0 fs/gfs2/log.c:978
 gfs2_log_flush+0x20f2/0x2610 fs/gfs2/log.c:1130
 gfs2_kill_sb+0x5b/0x350 fs/gfs2/ops_fstype.c:1775
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
 task_work_run+0x24f/0x310 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f554237fa47
RSP: 002b:00007fff0a25c4a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f554237fa47
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff0a25c560
RBP: 00007fff0a25c560 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff0a25d5e0
R13: 00007f55423f11cc R14: 000000000002027d R15: 00007fff0a25d620
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc5-next-20241101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
 watchdog+0xffb/0x1040 kernel/hung_task.c:397
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 10959 Comm: sed Not tainted 6.12.0-rc5-next-20241101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:validate_mm+0x1f7/0x550 mm/vma.c:598
Code: eb 75 49 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 da d2 10 00 49 8b 1e 48 89 df 4c 89 fe e8 ec 90 a6 ff 4c 39 fb <4c> 8d ac 24 80 00 00 00 0f 85 28 01 00 00 e8 76 8e a6 ff 48 8b 5c
RSP: 0018:ffffc9000b557460 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fa6fb1d8000 RCX: ffff88806033bc00
RDX: 0000000000000000 RSI: 00007fa6fb1d8000 RDI: 00007fa6fb1d8000
RBP: ffffc9000b5575c0 R08: ffffffff81ef2f74 R09: ffffffff8bb93877
R10: 0000000000000004 R11: ffff88806033bc00 R12: dffffc0000000000
R13: 00007fa6fb1de000 R14: ffff888011a7c7c0 R15: 00007fa6fb1d8000
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa6fb0583b0 CR3: 000000002a324000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 vms_complete_munmap_vmas+0x6e8/0x8f0 mm/vma.c:1200
 __mmap_complete mm/vma.c:2402 [inline]
 __mmap_region+0x17e3/0x2cd0 mm/vma.c:2465
 mmap_region+0x1d0/0x2c0 mm/mmap.c:1373
 do_mmap+0x8f0/0x1000 mm/mmap.c:496
 vm_mmap_pgoff+0x214/0x430 mm/util.c:580
 ksys_mmap_pgoff+0x4eb/0x720 mm/mmap.c:542
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa6fb2d1b74
Code: 63 08 44 89 e8 5b 41 5c 41 5d c3 41 89 ca 41 f7 c1 ff 0f 00 00 74 0c c7 05 f5 46 01 00 16 00 00 00 eb 17 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 0c f7 d8 89 05 dc 46 01 00 48 83 c8 ff c3 0f
RSP: 002b:00007fff265dc258 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fff265dc298 RCX: 00007fa6fb2d1b74
RDX: 0000000000000005 RSI: 0000000000006000 RDI: 00007fa6fb02d000
RBP: 00007fff265dc630 R08: 0000000000000003 R09: 0000000000003000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007fa6fb2aeac0
R13: 00007fff265dc6b8 R14: 0000000000002ee0 R15: 0000000000000000
 </TASK>