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Date:   Tue, 17 Aug 2021 16:12:10 -0500
From:   George Kennedy <george.kennedy@...cle.com>
To:     gregkh@...uxfoundation.org
Cc:     george.kennedy@...cle.com, tytso@....edu, adilger.kernel@...ger.ca,
        stable@...r.kernel.org, dhaval.giani@...cle.com,
        dan.carpenter@...cle.com, linux-ext4@...r.kernel.org,
        riteshh@...ux.ibm.com
Subject: [PATCH 5.4.y 0/0] missing upstream commit 175efa8 causing: WARNING in iomap_apply

Upstream commit 175efa8 is missing from 5.4.y causing
"WARNING in iomap_apply" during 5.4.140-rc1 Syzkaller reproducer testing.

175efa8 2020-05-05 Ritesh Harjani ext4: fix EXT4_MAX_LOGICAL_BLOCK macro

------------[ cut here ]------------
WARNING: CPU: 2 PID: 9155 at fs/iomap/apply.c:44 iomap_apply+0x278/0x2b0 fs/iomap/apply.c:44
Kernel panic - not syncing: panic_on_warn set ...
CPU: 2 PID: 9155 Comm: syz-executor.7 Not tainted 5.4.140-rc1-syzk #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xd4/0x119 lib/dump_stack.c:118
 panic+0x28f/0x6ad kernel/panic.c:221
team0: Port device veth4741 added
 __warn.cold.12+0x2f/0x2f kernel/panic.c:582
 report_bug+0x279/0x300 lib/bug.c:192
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x105/0x170 arch/x86/kernel/traps.c:272
 do_invalid_op+0x3b/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x28/0x30 arch/x86/entry/entry_64.S:1029
RIP: 0010:iomap_apply+0x278/0x2b0 fs/iomap/apply.c:44
Code: 81 c4 d8 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 3c 85 99 ff 4d 29 e5 4c 89 ad 30 ff ff ff e9 fc fe ff ff e8 28 85 99 ff <0f> 0b 48 c7 c3 fb ff ff ff eb 95 e8 18 85 99 ff 0f 0b 48 c7 c3 fb
RSP: 0018:ffff88801dfb7af8 EFLAGS: 00010216
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90013f11000
RDX: 000000000000218f RSI: ffffffff81dbc858 RDI: 0000000000000006
RBP: ffff88801dfb7bf8 R08: ffff88801ddb5d00 R09: ffffed1002e9249b
R10: ffffed1002e9249a R11: ffff8880174924d3 R12: fffffffffffff000
R13: 0000000000000000 R14: ffffffff8e3f76a0 R15: ffff88801dfb7bd0
 iomap_bmap+0x13f/0x1a0 fs/iomap/fiemap.c:141
 xfs_vm_bmap+0x32b/0x420 fs/xfs/xfs_aops.c:1155
 ioctl_fibmap fs/ioctl.c:68 [inline]
 file_ioctl fs/ioctl.c:502 [inline]
 do_vfs_ioctl+0xf50/0x1250 fs/ioctl.c:697
 ksys_ioctl+0xae/0xd0 fs/ioctl.c:714
 __do_sys_ioctl fs/ioctl.c:721 [inline]
 __se_sys_ioctl fs/ioctl.c:719 [inline]
 __x64_sys_ioctl+0x78/0xb0 fs/ioctl.c:719
 do_syscall_64+0xe6/0x4d0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x4595f9
Code: fc ff 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 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 0f 83 0b 42 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8ed3550c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000014a40 RCX: 00000000004595f9
RDX: 00000000200000c0 RSI: 0000000000000001 RDI: 0000000000000004
RBP: 000000000077bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000077bf0c
R13: 0000000000021000 R14: 000000000077bf00 R15: 00007f8ed3551700

Ritesh Harjani (1):
  ext4: fix EXT4_MAX_LOGICAL_BLOCK macro

 fs/ext4/ext4.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
1.8.3.1

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