gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" gfs2: fsid=syz:syz: Now mounting FS (format 1801)... gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms gfs2: fsid=syz:syz.0: first mount done, others may mount gfs2: fsid=syz:syz.0: found 1 quota changes sch_tbf: burst 32852 is lower than device lo mtu (65550) ! netem: change failed vcan0 speed is unknown, defaulting to 1000 vcan0 speed is unknown, defaulting to 1000 vcan0 speed is unknown, defaulting to 1000 infiniband syz1: set active infiniband syz1: added vcan0 RDS/IB: syz1: added smc: adding ib device syz1 with port count 1 smc: ib device syz1 port 1 has no pnetid vcan0 speed is unknown, defaulting to 1000 gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:5339 [syz.0.0] gfs2_quota_sync+0x359/0x460 fs/gfs2/quota.c:1357 gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 gfs2_withdraw+0xc3/0x1b0 fs/gfs2/util.c:250 gfs2_dinode_in fs/gfs2/glops.c:-1 [inline] gfs2_inode_refresh fs/gfs2/glops.c:486 [inline] inode_go_instantiate+0xdd0/0x1210 fs/gfs2/glops.c:507 gfs2_instantiate+0x168/0x220 fs/gfs2/glock.c:441 gfs2_glock_holder_ready fs/gfs2/glock.c:1250 [inline] gfs2_glock_wait+0x1d4/0x2a0 fs/gfs2/glock.c:1270 gfs2_glock_nq_init fs/gfs2/glock.h:252 [inline] do_sync+0x46f/0xc60 fs/gfs2/quota.c:923 gfs2_quota_sync+0x359/0x460 fs/gfs2/quota.c:1357 gfs2_sync_fs+0x4c/0xb0 fs/gfs2/super.c:658 sync_filesystem+0xee/0x230 fs/sync.c:56 gfs2_reconfigure+0xbb/0xb20 fs/gfs2/ops_fstype.c:1554 reconfigure_super+0x227/0x880 fs/super.c:1077 vfs_cmd_reconfigure fs/fsopen.c:268 [inline] vfs_fsconfig_locked+0x171/0x320 fs/fsopen.c:297 __do_sys_fsconfig fs/fsopen.c:473 [inline] __se_sys_fsconfig+0x78e/0x8d0 fs/fsopen.c:350 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7382b8f7c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7383a15038 EFLAGS: 00000246 ORIG_RAX: 00000000000001af RAX: ffffffffffffffda RBX: 00007f7382de5fa0 RCX: 00007f7382b8f7c9 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004 RBP: 00007f7382c13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7382de6038 R14: 00007f7382de5fa0 R15: 00007ffcc3457158 gfs2: fsid=syz:syz.0: about to withdraw this file system ------------[ cut here ]------------ kernel BUG at fs/gfs2/quota.c:1520! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:gfs2_quota_cleanup+0x6ee/0x6f0 fs/gfs2/quota.c:1519 Code: ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c c2 fd ff ff 4c 89 f7 e8 f2 94 22 fe e9 b5 fd ff ff e8 d8 c8 55 07 e8 e3 b8 ba fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 RSP: 0018:ffffc9000da3fa60 EFLAGS: 00010283 RAX: ffffffff840707ad RBX: 0000000000000002 RCX: 0000000000100000 RDX: ffffc900211d2000 RSI: 0000000000033e0c RDI: 0000000000033e0d RBP: ffffc9000da3fb70 R08: ffff88803479c0af R09: 1ffff110068f3815 R10: dffffc0000000000 R11: ffffed10068f3816 R12: 1ffff92001b47f50 R13: ffff888011753c00 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f7383a156c0(0000) GS:ffff88808d239000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055de91b5b8a0 CR3: 0000000037a89000 CR4: 0000000000352ef0 Call Trace: gfs2_make_fs_ro+0x27a/0x300 fs/gfs2/super.c:566 gfs2_reconfigure+0x6a3/0xb20 fs/gfs2/ops_fstype.c:1594 reconfigure_super+0x227/0x880 fs/super.c:1077 vfs_cmd_reconfigure fs/fsopen.c:268 [inline] vfs_fsconfig_locked+0x171/0x320 fs/fsopen.c:297 __do_sys_fsconfig fs/fsopen.c:473 [inline] __se_sys_fsconfig+0x78e/0x8d0 fs/fsopen.c:350 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7382b8f7c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7383a15038 EFLAGS: 00000246 ORIG_RAX: 00000000000001af RAX: ffffffffffffffda RBX: 00007f7382de5fa0 RCX: 00007f7382b8f7c9 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004 RBP: 00007f7382c13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7382de6038 R14: 00007f7382de5fa0 R15: 00007ffcc3457158 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:gfs2_quota_cleanup+0x6ee/0x6f0 fs/gfs2/quota.c:1519 Code: ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c c2 fd ff ff 4c 89 f7 e8 f2 94 22 fe e9 b5 fd ff ff e8 d8 c8 55 07 e8 e3 b8 ba fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 RSP: 0018:ffffc9000da3fa60 EFLAGS: 00010283 RAX: ffffffff840707ad RBX: 0000000000000002 RCX: 0000000000100000 RDX: ffffc900211d2000 RSI: 0000000000033e0c RDI: 0000000000033e0d RBP: ffffc9000da3fb70 R08: ffff88803479c0af R09: 1ffff110068f3815 R10: dffffc0000000000 R11: ffffed10068f3816 R12: 1ffff92001b47f50 R13: ffff888011753c00 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f7383a156c0(0000) GS:ffff88808d239000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055de91b5b8a0 CR3: 0000000037a89000 CR4: 0000000000352ef0