EXT4-fs (loop4): barriers disabled
JBD2: no valid journal superblock found
EXT4-fs (loop4): error loading journal
------------[ cut here ]------------
name 'info'
WARNING: CPU: 0 PID: 29407 at fs/proc/generic.c:695 remove_proc_entry+0x205/0x3a0 fs/proc/generic.c:695
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 29407 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:remove_proc_entry+0x205/0x3a0 fs/proc/generic.c:695
Code: 1b 57 06 e8 9d 48 a0 ff eb a3 e8 96 48 a0 ff 48 c7 c7 e0 a0 06 8a e8 3a 1b 57 06 4c 89 e6 48 c7 c7 80 ed 76 88 e8 60 80 30 06 <0f> 0b eb d5 e8 72 48 a0 ff 4c 8b 64 24 50 48 b8 00 00 00 00 00 fc
RSP: 0018:ffff88804deef898 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 1ffff11009bddf15 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed1009bddf05
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff887c1c40
R13: dffffc0000000000 R14: ffff88803ee79568 R15: ffff88803ee79550
 jbd2_stats_proc_exit fs/jbd2/journal.c:1119 [inline]
 jbd2_journal_destroy+0x449/0x790 fs/jbd2/journal.c:1789
 ext4_load_journal fs/ext4/super.c:4960 [inline]
 ext4_fill_super+0xaacf/0xc850 fs/ext4/super.c:4295
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x310 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2492 [inline]
 do_mount+0x115c/0x2f50 fs/namespace.c:2822
 ksys_mount+0xcf/0x130 fs/namespace.c:3038
 __do_sys_mount fs/namespace.c:3052 [inline]
 __se_sys_mount fs/namespace.c:3049 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3049
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f409c72bb6a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f409ac9cf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f409c72bb6a
RDX: 0000000020000040 RSI: 0000000020000100 RDI: 00007f409ac9cfe0
RBP: 00007f409ac9d020 R08: 00007f409ac9d020 R09: 0000000020000040
R10: 0000000000000201 R11: 0000000000000202 R12: 0000000020000040
R13: 0000000020000100 R14: 00007f409ac9cfe0 R15: 0000000020000580
Kernel Offset: disabled
Rebooting in 86400 seconds..