[Android 6.1] kernel BUG in ext4_mb_find_by_goal

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 7d346b229c78 ANDROID: GKI: update the ABI symbol list
git tree: android14-6.1
console+strace: https://syzkaller.appspot.com/x/log.txt?x=10121209280000
kernel config: https://syzkaller.appspot.com/x/.config?x=772a621c45fe488b
dashboard link: https://syzkaller.appspot.com/bug?extid=3d039eb5d672f5357ffb
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1503ee96280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14418e81280000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/b2976f59767e/disk-7d346b22.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/0b9ef806f1c7/vmlinux-7d346b22.xz
kernel image: https://storage.googleapis.com/syzbot-assets/08d99cbff2ad/bzImage-7d346b22.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/4bb05df56e4a/mount_1.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+3d039e...@syzkaller.appspotmail.com

------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 297 Comm: syz-executor124 Not tainted 6.1.25-syzkaller-00226-g7d346b229c78 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3331 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2162
Code: c4 ff e9 b5 fb ff ff e8 2a 46 7f ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 16 46 7f ff e9 51 f7 ff ff e8 0c 46 7f ff <0f> 0b e8 f5 b8 0f 03 e8 00 46 7f ff 0f 0b e8 f9 45 7f ff 0f 0b e8
RSP: 0018:ffffc90000e56b00 EFLAGS: 00010293
RAX: ffffffff81f458a4 RBX: 0000000000000001 RCX: ffff88811c3cb900
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90000e56c10 R08: ffffffff81f44bdb R09: ffffed1021754aaf
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11021ebfc75
R13: 0000000000000001 R14: 1ffff920001cad70 R15: ffff88810f5fe3a8
FS: 0000555555855300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d1c8da1048 CR3: 00000001229db000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ext4_mb_regular_allocator+0x24c/0x3610 fs/ext4/mballoc.c:2614
ext4_mb_new_blocks+0xfd3/0x48f0 fs/ext4/mballoc.c:5611
ext4_ext_map_blocks+0x19ca/0x71e0 fs/ext4/extents.c:4287
ext4_map_blocks+0xa42/0x1ce0 fs/ext4/inode.c:651
ext4_iomap_alloc fs/ext4/inode.c:3422 [inline]
ext4_iomap_begin+0x824/0xd10 fs/ext4/inode.c:3472
iomap_iter+0x5b1/0xbe0 fs/iomap/iter.c:74
__iomap_dio_rw+0xdec/0x20b0 fs/iomap/direct-io.c:601
iomap_dio_rw+0x41/0x90 fs/iomap/direct-io.c:690
ext4_dio_write_iter fs/ext4/file.c:587 [inline]
ext4_file_write_iter+0x1123/0x1cf0 fs/ext4/file.c:698
call_write_iter include/linux/fs.h:2212 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x8d1/0xe80 fs/read_write.c:584
ksys_write+0x199/0x2c0 fs/read_write.c:637
__do_sys_write fs/read_write.c:649 [inline]
__se_sys_write fs/read_write.c:646 [inline]
__x64_sys_write+0x7b/0x90 fs/read_write.c:646
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1128eaf959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffecde7a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1128eaf959
RDX: 000000000002a000 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f1128e6f1f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1128e6f280
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3331 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2162
Code: c4 ff e9 b5 fb ff ff e8 2a 46 7f ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 16 46 7f ff e9 51 f7 ff ff e8 0c 46 7f ff <0f> 0b e8 f5 b8 0f 03 e8 00 46 7f ff 0f 0b e8 f9 45 7f ff 0f 0b e8
RSP: 0018:ffffc90000e56b00 EFLAGS: 00010293
RAX: ffffffff81f458a4 RBX: 0000000000000001 RCX: ffff88811c3cb900
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90000e56c10 R08: ffffffff81f44bdb R09: ffffed1021754aaf
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11021ebfc75
R13: 0000000000000001 R14: 1ffff920001cad70 R15: ffff88810f5fe3a8
FS: 0000555555855300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d1c8da1048 CR3: 00000001229db000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


---
This report is generated by a bot. It may contain errors.
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If the bug is already fixed, let syzbot know by replying with:
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If you want syzbot to run the reproducer, reply with:
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If you want to undo deduplication, reply with:
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[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 19c0ed55a470 Merge 5.15.106 into android13-5.15-lts
git tree: android13-5.15-lts
console+strace: https://syzkaller.appspot.com/x/log.txt?x=16b7804a280000
kernel config: https://syzkaller.appspot.com/x/.config?x=e8bc8779358f24fb
dashboard link: https://syzkaller.appspot.com/bug?extid=90a3060b3c390c17c7f9

compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2

syz repro: https://syzkaller.appspot.com/x/repro.syz?x=111119ce280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17fedbbe280000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/8ade0e897782/disk-19c0ed55.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/203011b1fd4d/vmlinux-19c0ed55.xz
kernel image: https://storage.googleapis.com/syzbot-assets/7f39bb0b7ba9/bzImage-19c0ed55.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/970f4baa5aa2/mount_1.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:

Reported-by: syzbot+90a306...@syzkaller.appspotmail.com

EXT4-fs error (device loop0) in ext4_reserve_inode_write:5808: Corrupt filesystem
EXT4-fs error (device loop0): ext4_dirty_inode:6012: inode #16: comm syz-executor955: mark_inode_dirty error
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3355!

invalid opcode: 0000 [#1] PREEMPT SMP KASAN

CPU: 1 PID: 293 Comm: syz-executor955 Not tainted 5.15.106-syzkaller-00249-g19c0ed55a470 #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023

RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3355 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2206
Code: c6 ff e9 b5 fb ff ff e8 6a 0a 85 ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 56 0a 85 ff e9 51 f7 ff ff e8 4c 0a 85 ff <0f> 0b e8 55 03 d0 02 e8 40 0a 85 ff 0f 0b e8 39 0a 85 ff 0f 0b e8
RSP: 0018:ffffc90000986ac0 EFLAGS: 00010293
RAX: ffffffff81eae174 RBX: 0000000000000001 RCX: ffff88811ef3bb40

RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001

RBP: ffffc90000986bd0 R08: ffffffff81ead4ab R09: ffffed10217cc98a
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023deba79
R13: 0000000000000001 R14: 1ffff92000130d68 R15: ffff88811ef5d3c8
FS: 0000555556d74300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000

CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

CR2: 0000562dcad0f048 CR3: 000000011bca0000 CR4: 00000000003506a0

DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>

ext4_mb_regular_allocator+0x247/0x3810 fs/ext4/mballoc.c:2658
ext4_mb_new_blocks+0xe3c/0x43f0 fs/ext4/mballoc.c:5623
ext4_ext_map_blocks+0x1a0d/0x7250 fs/ext4/extents.c:4287
ext4_map_blocks+0xaa7/0x1e30 fs/ext4/inode.c:646
ext4_iomap_alloc fs/ext4/inode.c:3427 [inline]
ext4_iomap_begin+0x824/0xd10 fs/ext4/inode.c:3477
iomap_iter+0x5b5/0xbe0 fs/iomap/iter.c:74
__iomap_dio_rw+0xb3a/0x1ed0 fs/iomap/direct-io.c:593
iomap_dio_rw+0x3e/0x90 fs/iomap/direct-io.c:680
ext4_dio_write_iter fs/ext4/file.c:576 [inline]
ext4_file_write_iter+0x1142/0x1cc0 fs/ext4/file.c:687
call_write_iter include/linux/fs.h:2159 [inline]
new_sync_write fs/read_write.c:507 [inline]
vfs_write+0xd8a/0x1160 fs/read_write.c:594
ksys_write+0x199/0x2c0 fs/read_write.c:647
__do_sys_write fs/read_write.c:659 [inline]
__se_sys_write fs/read_write.c:656 [inline]
__x64_sys_write+0x7b/0x90 fs/read_write.c:656

do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80

entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fade3d3a959

Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48

RSP: 002b:00007ffc0246e6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fade3d3a959

RDX: 000000000002a000 RSI: 0000000020000000 RDI: 0000000000000004

RBP: 00007fade3cfa1f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fade3cfa280

R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Modules linked in:

---[ end trace 25e96ec5b64f9202 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3355 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2206
Code: c6 ff e9 b5 fb ff ff e8 6a 0a 85 ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 56 0a 85 ff e9 51 f7 ff ff e8 4c 0a 85 ff <0f> 0b e8 55 03 d0 02 e8 40 0a 85 ff 0f 0b e8 39 0a 85 ff 0f 0b e8
RSP: 0018:ffffc90000986ac0 EFLAGS: 00010293
RAX: ffffffff81eae174 RBX: 0000000000000001 RCX: ffff88811ef3bb40

RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001

RBP: ffffc90000986bd0 R08: ffffffff81ead4ab R09: ffffed10217cc98a
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023deba79
R13: 0000000000000001 R14: 1ffff92000130d68 R15: ffff88811ef5d3c8
FS: 0000555556d74300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000

CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

CR2: 0000562dcad0f048 CR3: 000000011bca0000 CR4: 00000000003506a0

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 43c801dc3325 Revert "ASoC: hdac_hdmi: use set_stream() ins..
git tree: android13-5.10-lts
console+strace: https://syzkaller.appspot.com/x/log.txt?x=13542fca280000
kernel config: https://syzkaller.appspot.com/x/.config?x=8c298cd1af0b8136
dashboard link: https://syzkaller.appspot.com/bug?extid=91b24b8863f5581fbbc8

compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2

syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1262994a280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12db336e280000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/df726002fbe5/disk-43c801dc.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2b767931d62c/vmlinux-43c801dc.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9048fda500c7/bzImage-43c801dc.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/7d5395ba5a03/mount_1.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:

Reported-by: syzbot+91b24b...@syzkaller.appspotmail.com

EXT4-fs error (device loop0): ext4_dirty_inode:6087: inode #16: comm syz-executor133: mark_inode_dirty error
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3247!

invalid opcode: 0000 [#1] PREEMPT SMP KASAN

CPU: 1 PID: 292 Comm: syz-executor133 Not tainted 5.10.178-syzkaller-00127-g43c801dc3325 #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023

RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3247 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xe18/0xe50 fs/ext4/mballoc.c:1885
Code: 24 30 e9 be fb ff ff e8 96 c3 89 ff 48 bb 00 00 00 00 00 fc ff df e9 23 f7 ff ff e8 82 c3 89 ff e9 05 f7 ff ff e8 78 c3 89 ff <0f> 0b e8 21 0a c9 02 e8 6c c3 89 ff 0f 0b e8 65 c3 89 ff 0f 0b e8
RSP: 0000:ffffc9000091eb60 EFLAGS: 00010293
RAX: ffffffff81e0afa8 RBX: 0000000000000001 RCX: ffff8881183b2780

RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001

RBP: ffffc9000091ec70 R08: ffffffff81e0a2bf R09: ffffed10220c6a61
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811e86b3c8
R13: 0000000000000001 R14: 1ffff11023d0d679 R15: 1ffff92000123d7c
FS: 0000555556f03300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000

CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

CR2: 000055f1497bd0a8 CR3: 0000000118375000 CR4: 00000000003506a0

DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:

ext4_mb_regular_allocator+0x249/0x2030 fs/ext4/mballoc.c:2321
ext4_mb_new_blocks+0xfb1/0x4430 fs/ext4/mballoc.c:5038
ext4_ext_map_blocks+0x190e/0x6be0 fs/ext4/extents.c:4281
ext4_map_blocks+0xaa7/0x1f00 fs/ext4/inode.c:646
ext4_iomap_alloc fs/ext4/inode.c:3516 [inline]
ext4_iomap_begin+0x798/0xbb0 fs/ext4/inode.c:3566
iomap_apply+0x116/0x8a0 fs/iomap/apply.c:46
__iomap_dio_rw+0x767/0x10f0 fs/iomap/direct-io.c:525
iomap_dio_rw+0x35/0x80 fs/iomap/direct-io.c:613
ext4_dio_write_iter fs/ext4/file.c:577 [inline]
ext4_file_write_iter+0x10e8/0x1ca0 fs/ext4/file.c:687
call_write_iter include/linux/fs.h:1976 [inline]
new_sync_write fs/read_write.c:518 [inline]
vfs_write+0xb55/0xe70 fs/read_write.c:605
ksys_write+0x199/0x2c0 fs/read_write.c:658
__do_sys_write fs/read_write.c:670 [inline]
__se_sys_write fs/read_write.c:667 [inline]
__x64_sys_write+0x7b/0x90 fs/read_write.c:667
do_syscall_64+0x34/0x70
entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f1e39121959

Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48

RSP: 002b:00007fff7998e8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1e39121959

RDX: 000000000002a000 RSI: 0000000020000000 RDI: 0000000000000004

RBP: 00007f1e390e11f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1e390e1280

R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000

Modules linked in:
---[ end trace ca1a17368dece069 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3247 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xe18/0xe50 fs/ext4/mballoc.c:1885
Code: 24 30 e9 be fb ff ff e8 96 c3 89 ff 48 bb 00 00 00 00 00 fc ff df e9 23 f7 ff ff e8 82 c3 89 ff e9 05 f7 ff ff e8 78 c3 89 ff <0f> 0b e8 21 0a c9 02 e8 6c c3 89 ff 0f 0b e8 65 c3 89 ff 0f 0b e8
RSP: 0000:ffffc9000091eb60 EFLAGS: 00010293
RAX: ffffffff81e0afa8 RBX: 0000000000000001 RCX: ffff8881183b2780

RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001

RBP: ffffc9000091ec70 R08: ffffffff81e0a2bf R09: ffffed10220c6a61
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811e86b3c8
R13: 0000000000000001 R14: 1ffff11023d0d679 R15: 1ffff92000123d7c
FS: 0000555556f03300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000

CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

CR2: 000055f1497bd0a8 CR3: 0000000118375000 CR4: 00000000003506a0

[syzbot]

syzbot suspects this issue was fixed by commit:

commit 100c0ad6c04597fefeaaba2bb1827cc015d95067
Author: Theodore Ts'o <ty...@mit.edu>
Date: Sat Apr 29 04:06:28 2023 +0000

ext4: allow ext4_get_group_info() to fail

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16f81953a80000
start commit: 571f442f6752 Revert "sched/fair: Detect capacity inversion"
git tree: android13-5.10-lts
kernel config: https://syzkaller.appspot.com/x/.config?x=ec6370fcb2ef93c7
dashboard link: https://syzkaller.appspot.com/bug?extid=91b24b8863f5581fbbc8
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16c05f1f280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17856f23280000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: ext4: allow ext4_get_group_info() to fail

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

[Aleksandr Nogikh]

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[syzbot]

syzbot suspects this issue was fixed by commit:

commit 620a3c28221bb219b81bc0bffd065cc187494302

Author: Theodore Ts'o <ty...@mit.edu>
Date: Sat Apr 29 04:06:28 2023 +0000

ext4: allow ext4_get_group_info() to fail

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14cc8324680000
start commit: 19c0ed55a470 Merge 5.15.106 into android13-5.15-lts
git tree: android13-5.15-lts

kernel config: https://syzkaller.appspot.com/x/.config?x=e8bc8779358f24fb
dashboard link: https://syzkaller.appspot.com/bug?extid=90a3060b3c390c17c7f9

syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11d3058b280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1737e707280000

If the result looks correct, please mark the issue as fixed by replying with:

[syzbot]

Auto-closing this bug as obsolete.
No recent activity, existing reproducers are no longer triggering the issue.

[syzbot]

syzbot suspects this issue was fixed by commit:

commit b4319e457d6e3fb33e443efeaf4634fc36e8a9ed

Author: Theodore Ts'o <ty...@mit.edu>
Date: Sat Apr 29 04:06:28 2023 +0000

ext4: allow ext4_get_group_info() to fail

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16746642e80000
start commit: fa9645687ea5 FROMLIST: kheaders: dereferences the source t..
git tree: android14-6.1
kernel config: https://syzkaller.appspot.com/x/.config?x=f3a6e543620145da
dashboard link: https://syzkaller.appspot.com/bug?extid=3d039eb5d672f5357ffb
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1421aa77280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170b8093280000

[syzbot]