syz-executor.0: attempt to access beyond end of device 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:159 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5383, name: syz-executor.0 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 5 locks held by syz-executor.0/5383: #0: ffff8880209640e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff8880209640e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff8880209640e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:513 #1: ffff8880773acb78 (&sdp->sd_quota_sync_mutex){+.+.}-{3:3}, at: gfs2_quota_sync+0x1ba/0x590 fs/gfs2/quota.c:1331 #2: ffff8880773ad060 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0x105/0x25f0 fs/gfs2/log.c:1042 #3: ffff8880773ace88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #3: ffff8880773ace88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline] #3: ffff8880773ace88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x53/0x90 fs/gfs2/log.c:814 #4: ffff8880773ad248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline] #4: ffff8880773ad248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: gfs2_withdraw+0x498/0x1470 fs/gfs2/util.c:342 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 5383 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00284-gb9ddbb0cde2a #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+0x1e7/0x2d0 lib/dump_stack.c:106 __might_resched+0x5cf/0x780 kernel/sched/core.c:10187 signal_our_withdraw fs/gfs2/util.c:157 [inline] gfs2_withdraw+0x4e8/0x1470 fs/gfs2/util.c:342 gfs2_ail1_empty+0x7d0/0x860 fs/gfs2/log.c:377 gfs2_flush_revokes+0x5e/0x90 fs/gfs2/log.c:815 revoke_lo_before_commit+0x2c/0x5f0 fs/gfs2/lops.c:867 lops_before_commit fs/gfs2/lops.h:40 [inline] gfs2_log_flush+0xc93/0x25f0 fs/gfs2/log.c:1101 do_sync+0xa30/0xec0 fs/gfs2/quota.c:985 gfs2_quota_sync+0x3c8/0x590 fs/gfs2/quota.c:1347 gfs2_sync_fs+0x4d/0xb0 fs/gfs2/super.c:667 sync_filesystem+0xec/0x220 fs/sync.c:56 generic_shutdown_super+0x72/0x2c0 fs/super.c:666 kill_block_super+0x41/0x70 fs/super.c:1646 deactivate_locked_super+0xa4/0x110 fs/super.c:481 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254 task_work_run+0x24a/0x300 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7dfbc7dbc7 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:00007ffd0b751898 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f7dfbc7dbc7 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffd0b751950 RBP: 00007ffd0b751950 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd0b752a10 R13: 00007f7dfbcd7aa2 R14: 0000000000013b9c R15: 0000000000000001 BUG: scheduling while atomic: syz-executor.0/5383/0x00000002 5 locks held by syz-executor.0/5383: #0: ffff8880209640e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff8880209640e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff8880209640e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:513 #1: ffff8880773acb78 (&sdp->sd_quota_sync_mutex){+.+.}-{3:3}, at: gfs2_quota_sync+0x1ba/0x590 fs/gfs2/quota.c:1331 #2: ffff8880773ad060 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0x105/0x25f0 fs/gfs2/log.c:1042 #3: ffff8880773ace88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #3: ffff8880773ace88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline] #3: ffff8880773ace88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x53/0x90 fs/gfs2/log.c:814 #4: ffff8880773ad248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline] #4: ffff8880773ad248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: gfs2_withdraw+0x498/0x1470 fs/gfs2/util.c:342 Modules linked in: Preemption disabled at: [<0000000000000000>] 0x0