Warning: Permanently added '10.128.1.41' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.352483][ T4216] loop0: detected capacity change from 0 to 32768 [ 36.357887][ T4216] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 36.359600][ T4216] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 36.366044][ T4216] gfs2: fsid=loop0.0: journal 0 mapped with 3 extents in 0ms [ 36.369153][ T7] gfs2: fsid=loop0.0: jid=0, already locked for use [ 36.370550][ T7] gfs2: fsid=loop0.0: jid=0: Looking at journal... [ 36.403798][ T7] gfs2: fsid=loop0.0: jid=0: Journal head lookup took 33ms [ 36.405737][ T7] gfs2: fsid=loop0.0: jid=0: Done [ 36.407035][ T4216] gfs2: fsid=loop0.0: first mount done, others may mount [ 36.493778][ T4216] ------------[ cut here ]------------ [ 36.494952][ T4216] WARNING: CPU: 1 PID: 4216 at fs/gfs2/rgrp.c:2628 gfs2_check_blk_type+0x394/0x598 [ 36.496889][ T4216] Modules linked in: [ 36.497749][ T4216] CPU: 1 PID: 4216 Comm: syz-executor297 Not tainted 6.1.34-syzkaller #0 [ 36.499604][ T4216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 36.501703][ T4216] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.503387][ T4216] pc : gfs2_check_blk_type+0x394/0x598 [ 36.504536][ T4216] lr : gfs2_check_blk_type+0x310/0x598 [ 36.505663][ T4216] sp : ffff80001d9576c0 [ 36.506521][ T4216] x29: ffff80001d957780 x28: ffff0000d63d6000 x27: dfff800000000000 [ 36.508250][ T4216] x26: ffff700003b2aedc x25: ffff80001d957700 x24: 0000000000000013 [ 36.509867][ T4216] x23: ffff0000d63d6034 x22: 00000000fffffff9 x21: 0000000000000012 [ 36.511575][ T4216] x20: 1fffe0001ac7ac06 x19: 1fffe0001ac7ac05 x18: 1fffe000368b9f76 [ 36.513148][ T4216] x17: ffff8000155bd000 x16: ffff800008303574 x15: 0000000000000000 [ 36.514739][ T4216] x14: 1ffff00002ab80b0 x13: dfff800000000000 x12: 0000000000000001 [ 36.516488][ T4216] x11: ff8080000a3d5984 x10: 0000000000000000 x9 : ffff80000a3d5984 [ 36.518235][ T4216] x8 : ffff0000de639bc0 x7 : ffff8000083a9558 x6 : 0000000000000000 [ 36.519941][ T4216] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000a36becc [ 36.521700][ T4216] x2 : 0000000000000001 x1 : 0000000000000012 x0 : 0000000000000013 [ 36.523564][ T4216] Call trace: [ 36.524215][ T4216] gfs2_check_blk_type+0x394/0x598 [ 36.525260][ T4216] gfs2_inode_lookup+0x980/0xbac [ 36.526314][ T4216] gfs2_lookup_by_inum+0x60/0xf8 [ 36.527329][ T4216] gfs2_fh_to_dentry+0x128/0x1f4 [ 36.528378][ T4216] exportfs_decode_fh_raw+0x114/0x4b4 [ 36.529529][ T4216] exportfs_decode_fh+0x50/0x80 [ 36.530532][ T4216] do_handle_open+0x56c/0x998 [ 36.531520][ T4216] __arm64_sys_open_by_handle_at+0x80/0x94 [ 36.532884][ T4216] invoke_syscall+0x98/0x2c0 [ 36.533891][ T4216] el0_svc_common+0x138/0x258 [ 36.534822][ T4216] do_el0_svc+0x64/0x218 [ 36.535746][ T4216] el0_svc+0x58/0x168 [ 36.536665][ T4216] el0t_64_sync_handler+0x84/0xf0 [ 36.537731][ T4216] el0t_64_sync+0x18c/0x190 [ 36.538737][ T4216] irq event stamp: 132078 [ 36.539717][ T4216] hardirqs last enabled at (132077): [] _raw_spin_unlock_irqrestore+0x48/0xac [ 36.541982][ T4216] hardirqs last disabled at (132078): [] el1_dbg+0x24/0x80 [ 36.543774][ T4216] softirqs last enabled at (132030): [] local_bh_enable+0x10/0x34 [ 36.545845][ T4216] softirqs last disabled at (132028): [] local_bh_disable+0x10/0x34 [ 36.547876][ T4216] ---[ end trace 0000000000000000 ]---