Warning: Permanently added '10.128.0.182' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.009562] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 42.017430] gfs2: fsid=syz:syz: Now mounting FS... [ 42.031118] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents [ 42.037825] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 42.043985] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 42.054405] gfs2: fsid=syz:syz.0: jid=0: Done [ 42.059785] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 42.089763] WARNING: CPU: 0 PID: 8101 at fs/gfs2/rgrp.c:274 gfs2_rbm_from_block+0x26b/0x2f0 [ 42.098284] Kernel panic - not syncing: panic_on_warn set ... [ 42.098284] [ 42.105651] CPU: 0 PID: 8101 Comm: syz-executor103 Not tainted 4.19.211-syzkaller #0 [ 42.113529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 42.122896] Call Trace: [ 42.125491] dump_stack+0x1fc/0x2ef [ 42.129128] panic+0x26a/0x50e [ 42.132403] ? __warn_printk+0xf3/0xf3 [ 42.136286] ? gfs2_rbm_from_block+0x26b/0x2f0 [ 42.140866] ? __probe_kernel_read+0x130/0x1b0 [ 42.145435] ? __warn.cold+0x5/0x5a [ 42.149076] ? __warn+0xe4/0x200 [ 42.152450] ? gfs2_rbm_from_block+0x26b/0x2f0 [ 42.157034] __warn.cold+0x20/0x5a [ 42.160745] ? gfs2_rbm_from_block+0x26b/0x2f0 [ 42.165322] report_bug+0x262/0x2b0 [ 42.169073] do_error_trap+0x1d7/0x310 [ 42.172953] ? math_error+0x310/0x310 [ 42.176743] ? lock_acquire+0x170/0x3c0 [ 42.180707] ? error_entry+0x72/0xd0 [ 42.184433] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.189440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.194274] invalid_op+0x14/0x20 [ 42.197718] RIP: 0010:gfs2_rbm_from_block+0x26b/0x2f0 [ 42.202894] Code: 3c 01 00 00 45 31 f6 29 c3 41 89 5c 24 08 e8 9c 84 57 fe 44 89 f0 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 85 84 57 fe <0f> 0b 41 be ea ff ff ff eb da e8 a6 63 8d fe e9 7f fe ff ff e8 cc [ 42.221788] RSP: 0018:ffff8880b05f7920 EFLAGS: 00010293 [ 42.227148] RAX: ffff8880b3e740c0 RBX: ffffffffffffffff RCX: ffffffff830afeee [ 42.234412] RDX: 0000000000000000 RSI: ffffffff830b00eb RDI: 0000000000000007 [ 42.241674] RBP: 1ffff110160bef2d R08: 0000000000000000 R09: 00000000ffffffff [ 42.249030] R10: 0000000000000007 R11: 0000000000000000 R12: ffff8880b05f7988 [ 42.256399] R13: ffff8880a57cef00 R14: 0000000000000012 R15: 0000000000000013 [ 42.263995] ? gfs2_rbm_from_block+0x6e/0x2f0 [ 42.268623] ? gfs2_rbm_from_block+0x26b/0x2f0 [ 42.273305] gfs2_check_blk_type+0x103/0x2e0 [ 42.277706] ? gfs2_free_di+0x770/0x770 [ 42.281671] ? gfs2_glock_wait+0xf8/0x1d0 [ 42.285828] ? gfs2_check_blk_type+0xcf/0x2e0 [ 42.290756] ? flush_delayed_work+0x6e/0x170 [ 42.295176] gfs2_inode_lookup+0x727/0xa50 [ 42.299559] ? gfs2_create+0x40/0x40 [ 42.303275] ? gfs2_inode_lookup+0x485/0xa50 [ 42.307742] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 42.313317] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 42.317896] gfs2_lookup_by_inum+0x44/0x170 [ 42.322888] gfs2_fh_to_dentry+0x20c/0x290 [ 42.327119] ? __lock_acquire+0x6de/0x3ff0 [ 42.331351] ? gfs2_fh_to_parent+0x280/0x280 [ 42.335764] exportfs_decode_fh+0x126/0x7e0 [ 42.340083] ? drop_caches_sysctl_handler+0x110/0x110 [ 42.345276] ? gfs2_fh_to_parent+0x280/0x280 [ 42.349757] ? reconnect_path+0x7e0/0x7e0 [ 42.353912] ? lock_downgrade+0x720/0x720 [ 42.358222] ? lock_acquire+0x170/0x3c0 [ 42.362197] ? debug_check_no_obj_freed+0xb5/0x490 [ 42.367125] ? __might_fault+0x11f/0x1d0 [ 42.371267] ? lock_downgrade+0x720/0x720 [ 42.375434] ? lock_acquire+0x170/0x3c0 [ 42.379409] ? __might_fault+0xef/0x1d0 [ 42.383379] ? __might_fault+0x192/0x1d0 [ 42.387435] do_handle_open+0x2f4/0x650 [ 42.391407] ? do_sys_name_to_handle+0x480/0x480 [ 42.396170] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.401208] ? do_syscall_64+0x21/0x620 [ 42.405179] do_syscall_64+0xf9/0x620 [ 42.408980] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.414261] RIP: 0033:0x7f5b0bf747a9 [ 42.417965] 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 [ 42.436945] RSP: 002b:00007ffc16d7a2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 [ 42.445319] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5b0bf747a9 [ 42.452584] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 42.459843] RBP: 00007f5b0bf34040 R08: 0000000000000000 R09: 0000000000000000 [ 42.467099] R10: 00000000000124d6 R11: 0000000000000246 R12: 00007f5b0bf340d0 [ 42.474365] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.482010] Kernel Offset: disabled [ 42.485681] Rebooting in 86400 seconds..