loop1: rw=1, sector=3280942697285464, nr_sectors = 8 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/glock.c:2081 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5419, name: syz-executor.1 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [<0000000000000000>] 0x0 CPU: 2 PID: 5419 Comm: syz-executor.1 Not tainted 6.5.0-syzkaller-09338-ge0152e7481c6 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 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 glock_hash_walk fs/gfs2/glock.c:2081 [inline] gfs2_flush_delete_work+0x1f6/0x2b0 fs/gfs2/glock.c:2108 gfs2_make_fs_ro+0x460/0x740 fs/gfs2/super.c:550 signal_our_withdraw fs/gfs2/util.c:153 [inline] gfs2_withdraw+0xc2e/0x10c0 fs/gfs2/util.c:334 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:868 lops_before_commit fs/gfs2/lops.h:40 [inline] gfs2_log_flush+0x105e/0x27f0 fs/gfs2/log.c:1101 gfs2_trans_end+0x55d/0xa20 fs/gfs2/trans.c:158 gfs2_iomap_begin_write fs/gfs2/bmap.c:1074 [inline] gfs2_iomap_begin+0xe26/0x1410 fs/gfs2/bmap.c:1126 iomap_iter+0x488/0x1120 fs/iomap/iter.c:91 iomap_file_buffered_write+0x225/0x9a0 fs/iomap/buffered-io.c:967 gfs2_file_buffered_write+0x3a5/0xab0 fs/gfs2/file.c:1059 gfs2_file_write_iter+0xb1b/0x10c0 fs/gfs2/file.c:1157 call_write_iter include/linux/fs.h:1985 [inline] do_iter_readv_writev+0x21e/0x3c0 fs/read_write.c:735 do_iter_write+0x17f/0x830 fs/read_write.c:860 vfs_iter_write+0x7a/0xb0 fs/read_write.c:901 iter_file_splice_write+0x698/0xbf0 fs/splice.c:736 do_splice_from fs/splice.c:933 [inline] direct_splice_actor+0x118/0x180 fs/splice.c:1142 splice_direct_to_actor+0x347/0xa30 fs/splice.c:1088 do_splice_direct+0x1af/0x280 fs/splice.c:1194 do_sendfile+0xb88/0x1390 fs/read_write.c:1254 __do_compat_sys_sendfile fs/read_write.c:1343 [inline] __se_compat_sys_sendfile fs/read_write.c:1326 [inline] __ia32_compat_sys_sendfile+0x1e3/0x220 fs/read_write.c:1326 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7fb8579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7fb35ac EFLAGS: 00000292 ORIG_RAX: 00000000000000bb RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000005 RDX: 0000000000000000 RSI: 000000000001f602 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 BUG: scheduling while atomic: syz-executor.1/5419/0x00000002 INFO: lockdep is turned off. Modules linked in: Preemption disabled at: [<0000000000000000>] 0x0 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi