Hello, syzbot found the following issue on: HEAD commit: 42cf58c272ee Merge tag 'tty-6.0-rc4' of git://git.kernel.o.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=16fd661b080000 kernel config: https://syzkaller.appspot.com/x/.config?x=892a57667b7af6cf dashboard link: https://syzkaller.appspot.com/bug?extid=f966c13b1b4fc0403b19 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16fea393080000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1501b0c5080000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/0cddb4889822/disk-42cf58c2.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/86b24f0bd2f9/vmlinux-42cf58c2.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f966c13b1b4fc0403b19@xxxxxxxxxxxxxxxxxxxxxxxxx loop0: detected capacity change from 0 to 4 Dev loop0: unable to read RDB block 4 loop0: unable to read partition table loop0: partition table beyond EOD, truncated ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3611 at mm/page_alloc.c:5491 __alloc_pages+0x39e/0x510 mm/page_alloc.c:5491 Modules linked in: CPU: 0 PID: 3611 Comm: syz-executor339 Not tainted 6.0.0-rc3-syzkaller-00328-g42cf58c272ee #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:__alloc_pages+0x39e/0x510 mm/page_alloc.c:5491 Code: ff ff 00 0f 84 33 fe ff ff 80 ce 01 e9 2b fe ff ff 83 fe 0a 0f 86 3e fd ff ff 80 3d 28 9c 0b 0c 00 75 09 c6 05 1f 9c 0b 0c 01 <0f> 0b 45 31 f6 e9 8d fe ff ff 65 ff 05 a1 76 44 7e 48 c7 c0 a0 21 RSP: 0018:ffffc9000396f8c0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff9200072df19 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000034 RDI: 0000000000000000 RBP: 0000000000040cc0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000055 R12: 0000000000000034 R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff9200072df57 FS: 0000555556730300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffde3e9b000 CR3: 00000000732b1000 CR4: 0000000000350ef0 Call Trace: <TASK> alloc_pages+0x1a6/0x270 mm/mempolicy.c:2270 kmalloc_order+0x34/0xf0 mm/slab_common.c:930 kmalloc_order_trace+0x13/0x120 mm/slab_common.c:946 kmalloc include/linux/slab.h:605 [inline] erofs_fill_symlink fs/erofs/inode.c:222 [inline] erofs_fill_inode fs/erofs/inode.c:273 [inline] erofs_iget+0x187c/0x26f0 fs/erofs/inode.c:351 erofs_fc_fill_super+0x114b/0x21b0 fs/erofs/super.c:755 get_tree_bdev+0x440/0x760 fs/super.c:1323 vfs_get_tree+0x89/0x2f0 fs/super.c:1530 do_new_mount fs/namespace.c:3040 [inline] path_mount+0x1326/0x1e20 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x27f/0x300 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fee22a3317a Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 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:00007ffde3e9a378 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffde3e9a3d0 RCX: 00007fee22a3317a RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007ffde3e9a390 RBP: 00007ffde3e9a390 R08: 00007ffde3e9a3d0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000230 R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000002 </TASK> --- 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. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
