gfs2: fsid=syz:syz.0: first mount done, others may mount ------------[ cut here ]------------ 1 WARNING: mm/page_alloc.c:5225 at __alloc_frozen_pages_noprof+0x2d1/0x380 mm/page_alloc.c:5225, CPU#0: syz.0.17/5800 Modules linked in: CPU: 0 UID: 0 PID: 5800 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__alloc_frozen_pages_noprof+0x2d1/0x380 mm/page_alloc.c:5225 Code: 74 10 4c 89 e7 89 54 24 0c e8 0b 47 0e 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a8 fe ff ff e9 a9 fe ff ff c6 05 66 9d d8 0d 01 90 <0f> 0b 90 e9 17 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24 RSP: 0018:ffffc90005567440 EFLAGS: 00010246 RAX: ffffc90005567400 RBX: 000000000000000c RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900055674a8 RBP: ffffc90005567540 R08: ffffc900055674a7 R09: 0000000000000000 R10: ffffc90005567480 R11: fffff52000aace95 R12: 0000000000000000 R13: 1ffff92000aace8c R14: 0000000000040d40 R15: dffffc0000000000 FS: 00007f58b0f3c6c0(0000) GS:ffff88808ca5b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe3a7f909c0 CR3: 0000000011de1000 CR4: 0000000000352ef0 Call Trace: alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2485 ___kmalloc_large_node+0x4e/0x150 mm/slub.c:5160 __kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:5191 __do_kmalloc_node mm/slub.c:5207 [inline] __kmalloc_noprof+0x3e8/0x760 mm/slub.c:5231 kmalloc_noprof include/linux/slab.h:966 [inline] kmalloc_array_noprof include/linux/slab.h:1113 [inline] compute_bitstructs fs/gfs2/rgrp.c:766 [inline] read_rindex_entry fs/gfs2/rgrp.c:931 [inline] gfs2_ri_update+0x4b8/0x17c0 fs/gfs2/rgrp.c:1001 gfs2_rindex_update+0x2e9/0x3a0 fs/gfs2/rgrp.c:1051 init_inodes+0x24e/0x320 fs/gfs2/ops_fstype.c:872 gfs2_fill_super+0x1a38/0x21d0 fs/gfs2/ops_fstype.c:1250 get_tree_bdev_flags+0x431/0x4f0 fs/super.c:1694 gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1332 vfs_get_tree+0x92/0x2a0 fs/super.c:1754 fc_mount fs/namespace.c:1193 [inline] do_new_mount_fc fs/namespace.c:3760 [inline] do_new_mount+0x341/0xd30 fs/namespace.c:3836 do_mount fs/namespace.c:4159 [inline] __do_sys_mount fs/namespace.c:4348 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4325 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f58aff9c14a Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f58b0f3be58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f58b0f3bee0 RCX: 00007f58aff9c14a RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007f58b0f3bea0 RBP: 0000200000000240 R08: 00007f58b0f3bee0 R09: 0000000000000804 R10: 0000000000000804 R11: 0000000000000246 R12: 0000200000001c00 R13: 00007f58b0f3bea0 R14: 000000000001260b R15: 0000200000000280