loop0: rw=1, sector=131324, nr_sectors = 4 limit=32768 gfs2: fsid=syz:syz.0: Error 10 writing to journal, jid=0 gfs2: fsid=syz:syz.0: fatal: I/O error(s) gfs2: fsid=syz:syz.0: about to withdraw this file system BUG: sleeping function called from invalid context at fs/gfs2/util.c:157 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5402, name: syz-executor.0 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 5 locks held by syz-executor.0/5402: #0: ffff88807c83e0e0 (&type->s_umount_key#68){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff88807c83e0e0 (&type->s_umount_key#68){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff88807c83e0e0 (&type->s_umount_key#68){+.+.}-{3:3}, at: deactivate_super+0xd6/0x100 fs/super.c:513 #1: ffff8880741f8b78 (&sdp->sd_quota_sync_mutex){+.+.}-{3:3}, at: gfs2_quota_sync+0x19e/0x630 fs/gfs2/quota.c:1331 #2: ffff8880741f9060 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0xe4/0x27f0 fs/gfs2/log.c:1042 #3: ffff8880741f8e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #3: ffff8880741f8e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline] #3: ffff8880741f8e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x60/0x90 fs/gfs2/log.c:814 #4: ffff8880741f9248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline] #4: ffff8880741f9248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: gfs2_withdraw+0xc38/0x1280 fs/gfs2/util.c:342 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 5402 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-g5e62ed3b1c8a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187 signal_our_withdraw fs/gfs2/util.c:157 [inline] gfs2_withdraw+0xc7d/0x1280 fs/gfs2/util.c:342 gfs2_ail1_empty+0x8cc/0xab0 fs/gfs2/log.c:377 gfs2_flush_revokes+0x6b/0x90 fs/gfs2/log.c:815 revoke_lo_before_commit+0x22/0x640 fs/gfs2/lops.c:867 lops_before_commit fs/gfs2/lops.h:40 [inline] gfs2_log_flush+0x105e/0x27f0 fs/gfs2/log.c:1101 do_sync+0x550/0xd30 fs/gfs2/quota.c:985 gfs2_quota_sync+0x419/0x630 fs/gfs2/quota.c:1347 gfs2_sync_fs+0x44/0xb0 fs/gfs2/super.c:667 sync_filesystem fs/sync.c:56 [inline] sync_filesystem+0x109/0x280 fs/sync.c:30 generic_shutdown_super+0x7e/0x3c0 fs/super.c:666 kill_block_super+0x3b/0x70 fs/super.c:1646 gfs2_kill_sb+0x361/0x410 fs/gfs2/ops_fstype.c:1811 deactivate_locked_super+0x9a/0x170 fs/super.c:481 deactivate_super+0xde/0x100 fs/super.c:514 cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254 task_work_run+0x14d/0x240 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x215/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f84aea7de17 Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffff0d039d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f84aea7de17 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffff0d03a90 RBP: 00007ffff0d03a90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffff0d04b50 R13: 00007f84aeac73b9 R14: 000000000001bbb8 R15: 0000000000000001 BUG: scheduling while atomic: syz-executor.0/5402/0x00000002 5 locks held by syz-executor.0/5402: #0: ffff88807c83e0e0 (&type->s_umount_key#68){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff88807c83e0e0 (&type->s_umount_key#68){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff88807c83e0e0 (&type->s_umount_key#68){+.+.}-{3:3}, at: deactivate_super+0xd6/0x100 fs/super.c:513 #1: ffff8880741f8b78 (&sdp->sd_quota_sync_mutex){+.+.}-{3:3}, at: gfs2_quota_sync+0x19e/0x630 fs/gfs2/quota.c:1331 #2: ffff8880741f9060 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0xe4/0x27f0 fs/gfs2/log.c:1042 #3: ffff8880741f8e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #3: ffff8880741f8e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline] #3: ffff8880741f8e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x60/0x90 fs/gfs2/log.c:814 #4: ffff8880741f9248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline] #4: ffff8880741f9248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: gfs2_withdraw+0xc38/0x1280 fs/gfs2/util.c:342 Modules linked in: Preemption disabled at: [<0000000000000000>] 0x0