Hello, syzbot found the following issue on: HEAD commit: 3f86ed6ec0b3 Merge tag 'arc-6.6-rc1' of git://git.kernel.o.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=1346753fa80000 kernel config: https://syzkaller.appspot.com/x/.config?x=ff0db7a15ba54ead dashboard link: https://syzkaller.appspot.com/bug?extid=10c6178a65acf04efe47 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13e4ea14680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13f76f10680000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/6f4f710c5033/disk-3f86ed6e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/555548fedbdc/vmlinux-3f86ed6e.xz kernel image: https://storage.googleapis.com/syzbot-assets/c06d7c39bbc0/bzImage-3f86ed6e.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/9cc536caad57/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+10c6178a65acf04efe47@xxxxxxxxxxxxxxxxxxxxxxxxx syz-executor585: attempt to access beyond end of device loop0: 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: 5030, name: syz-executor585 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 5030 Comm: syz-executor585 Not tainted 6.5.0-syzkaller-11704-g3f86ed6ec0b3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 Call Trace: <TASK> __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 glock_hash_walk+0x13b/0x1b0 fs/gfs2/glock.c:2081 gfs2_flush_delete_work+0x1c/0x50 fs/gfs2/glock.c:2108 gfs2_make_fs_ro+0x109/0x680 fs/gfs2/super.c:550 signal_our_withdraw fs/gfs2/util.c:153 [inline] gfs2_withdraw+0x48a/0x11e0 fs/gfs2/util.c:334 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:868 lops_before_commit fs/gfs2/lops.h:40 [inline] gfs2_log_flush+0xc93/0x25f0 fs/gfs2/log.c:1101 gfs2_write_inode+0x20e/0x3b0 fs/gfs2/super.c:453 write_inode fs/fs-writeback.c:1456 [inline] __writeback_single_inode+0x69b/0xfa0 fs/fs-writeback.c:1668 writeback_single_inode+0x21b/0x790 fs/fs-writeback.c:1724 sync_inode_metadata+0xcc/0x130 fs/fs-writeback.c:2786 gfs2_fsync+0x1a7/0x340 fs/gfs2/file.c:761 generic_write_sync include/linux/fs.h:2625 [inline] gfs2_file_write_iter+0xb33/0xe60 fs/gfs2/file.c:1159 do_iter_write+0x84f/0xde0 fs/read_write.c:860 iter_file_splice_write+0x86d/0x1010 fs/splice.c:736 do_splice_from fs/splice.c:933 [inline] direct_splice_actor+0xea/0x1c0 fs/splice.c:1142 splice_direct_to_actor+0x376/0x9e0 fs/splice.c:1088 do_splice_direct+0x2ac/0x3f0 fs/splice.c:1194 do_sendfile+0x623/0x1070 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb0ea97bd59 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd9f19f258 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb0ea97bd59 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007 RBP: 0000000000000246 R08: 0000000000000002 R09: 00005555571844c0 R10: 0000000080000001 R11: 0000000000000246 R12: 00007ffd9f19f280 R13: 00007fb0ea95cac4 R14: 431bde82d7b634db R15: 00007fb0ea9c503b </TASK> BUG: scheduling while atomic: syz-executor585/5030/0x00000002 INFO: lockdep is turned off. Modules linked in: Preemption disabled at: [<0000000000000000>] 0x0 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
