loop0: detected capacity change from 0 to 512 EXT4-fs (loop0): couldn't mount as ext2 due to feature incompatibilities evm: overlay not supported loop0: detected capacity change from 0 to 32768 gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" gfs2: fsid=syz:syz: Now mounting FS (format 1801)... gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms gfs2: fsid=syz:syz.0: first mount done, others may mount gfs2: fsid=syz:syz.0: found 1 quota changes gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_pin, file = fs/gfs2/lops.c, line = 52 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: 5326, name: syz.0.0 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 5 locks held by syz.0.0/5326: #0: ffff8880110d50c8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline] #0: ffff8880110d50c8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: gfs2_file_write_iter+0x323/0x1100 fs/gfs2/file.c:1117 #1: ffff888042d2a610 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0 fs/gfs2/trans.c:118 #2: ffff88801a08ce50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: __gfs2_trans_begin+0x515/0x890 fs/gfs2/trans.c:87 #3: ffff88801a08cc78 (&sdp->sd_log_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline] #3: ffff88801a08cc78 (&sdp->sd_log_lock){+.+.}-{3:3}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline] #3: ffff88801a08cc78 (&sdp->sd_log_lock){+.+.}-{3:3}, at: gfs2_trans_add_meta+0x156/0xa10 fs/gfs2/trans.c:265 #4: ffff88801a08cfe8 (&sdp->sd_freeze_mutex){+.+.}-{4:4}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline] #4: ffff88801a08cfe8 (&sdp->sd_freeze_mutex){+.+.}-{4:4}, at: gfs2_withdraw+0x444/0x1430 fs/gfs2/util.c:333 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 __might_resched+0x495/0x610 kernel/sched/core.c:8925 signal_our_withdraw fs/gfs2/util.c:157 [inline] gfs2_withdraw+0x492/0x1430 fs/gfs2/util.c:333 gfs2_pin+0x129/0x380 fs/gfs2/lops.c:52 gfs2_trans_add_meta+0x693/0xa10 fs/gfs2/trans.c:302 __gfs2_iomap_alloc+0x263/0x1a30 fs/gfs2/bmap.c:680 gfs2_iomap_begin_write fs/gfs2/bmap.c:1070 [inline] gfs2_iomap_begin+0xaf0/0x11c0 fs/gfs2/bmap.c:1133 iomap_iter+0x534/0xde0 fs/iomap/iter.c:108 iomap_file_buffered_write+0x207/0x9b0 fs/iomap/buffered-io.c:1070 gfs2_file_buffered_write+0x4ed/0x880 fs/gfs2/file.c:1061 gfs2_file_write_iter+0x94e/0x1100 fs/gfs2/file.c:1166 aio_write+0x535/0x7a0 fs/aio.c:1634 __io_submit_one fs/aio.c:-1 [inline] io_submit_one+0x78b/0x1310 fs/aio.c:2053 __do_sys_io_submit fs/aio.c:2112 [inline] __se_sys_io_submit+0x185/0x2f0 fs/aio.c:2082 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f00a1d8eec9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f00a2c0e038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f00a1fe5fa0 RCX: 00007f00a1d8eec9 RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007f00a2bc4000 RBP: 00007f00a1e11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f00a1fe6038 R14: 00007f00a1fe5fa0 R15: 00007ffc8c601e38 BUG: scheduling while atomic: syz.0.0/5326/0x00000002 5 locks held by syz.0.0/5326: #0: ffff8880110d50c8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline] #0: ffff8880110d50c8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: gfs2_file_write_iter+0x323/0x1100 fs/gfs2/file.c:1117 #1: ffff888042d2a610 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0 fs/gfs2/trans.c:118 #2: ffff88801a08ce50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: __gfs2_trans_begin+0x515/0x890 fs/gfs2/trans.c:87 #3: ffff88801a08cc78 (&sdp->sd_log_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline] #3: ffff88801a08cc78 (&sdp->sd_log_lock){+.+.}-{3:3}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline] #3: ffff88801a08cc78 (&sdp->sd_log_lock){+.+.}-{3:3}, at: gfs2_trans_add_meta+0x156/0xa10 fs/gfs2/trans.c:265 #4: ffff88801a08cfe8 (&sdp->sd_freeze_mutex){+.+.}-{4:4}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline] #4: ffff88801a08cfe8 (&sdp->sd_freeze_mutex){+.+.}-{4:4}, at: gfs2_withdraw+0x444/0x1430 fs/gfs2/util.c:333 Modules linked in: Preemption disabled at: [<0000000000000000>] 0x0