Warning: Permanently added '10.128.1.95' (ED25519) to the list of known hosts. executing program [ 56.852677][ T4162] loop0: detected capacity change from 0 to 4096 [ 56.956051][ T4164] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 56.984039][ T4162] overlayfs: failed to create directory ./file0/work (errno: 5); mounting read-only [ 57.004580][ T4161] NILFS (loop0): nilfs_palloc_commit_free_entry (ino=6): entry number 13 already freed [ 57.015929][ T4161] NILFS (loop0): nilfs_palloc_commit_free_entry (ino=6): entry number 14 already freed [ 57.028117][ T4161] NILFS (loop0): nilfs_palloc_commit_free_entry (ino=6): entry number 15 already freed [ 57.038950][ T4161] NILFS (loop0): nilfs_palloc_commit_free_entry (ino=6): entry number 16 already freed [ 57.049660][ T4161] NILFS (loop0): nilfs_palloc_commit_free_entry (ino=6): entry number 17 already freed [ 57.060374][ T4161] NILFS (loop0): deleting nonexistent file (ino=11), 0 [ 57.067593][ T4161] ------------[ cut here ]------------ [ 57.073039][ T4161] WARNING: CPU: 0 PID: 4161 at fs/inode.c:307 drop_nlink+0xbb/0x100 [ 57.081097][ T4161] Modules linked in: [ 57.085017][ T4161] CPU: 0 PID: 4161 Comm: syz-executor402 Not tainted 5.15.174-syzkaller #0 [ 57.093667][ T4161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 57.103868][ T4161] RIP: 0010:drop_nlink+0xbb/0x100 [ 57.109078][ T4161] Code: 49 8b 1e 48 8d bb c8 07 00 00 be 08 00 00 00 e8 4b a4 ed ff f0 48 ff 83 c8 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 95 c7 a3 ff <0f> 0b eb 89 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c [ 57.128803][ T4161] RSP: 0018:ffffc900011dfc90 EFLAGS: 00010293 [ 57.134974][ T4161] RAX: ffffffff81dcbd4b RBX: 1ffff1100ea3c69c RCX: ffff888071883b80 [ 57.142995][ T4161] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 57.151015][ T4161] RBP: 0000000000000000 R08: ffffffff81dcbccf R09: ffffed10055100fa [ 57.159202][ T4161] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880751e34e0 [ 57.167320][ T4161] R13: 1ffff1100ea3c5cb R14: ffff8880751e3498 R15: dffffc0000000000 [ 57.175300][ T4161] FS: 000055555e7d4380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 57.184539][ T4161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.191321][ T4161] CR2: 00007f6f74c01130 CR3: 00000000256b4000 CR4: 00000000003506f0 [ 57.199922][ T4161] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.207928][ T4161] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.215945][ T4161] Call Trace: [ 57.219238][ T4161] <TASK> [ 57.222158][ T4161] ? __warn+0x15b/0x300 [ 57.226620][ T4161] ? drop_nlink+0xbb/0x100 [ 57.231054][ T4161] ? report_bug+0x1b7/0x2e0 [ 57.235564][ T4161] ? handle_bug+0x3d/0x70 [ 57.239934][ T4161] ? exc_invalid_op+0x16/0x40 [ 57.244627][ T4161] ? asm_exc_invalid_op+0x16/0x20 [ 57.249703][ T4161] ? drop_nlink+0x3f/0x100 [ 57.254134][ T4161] ? drop_nlink+0xbb/0x100 [ 57.258603][ T4161] ? drop_nlink+0xbb/0x100 [ 57.263038][ T4161] nilfs_rmdir+0x1ac/0x250 [ 57.267523][ T4161] ? nilfs_mkdir+0x330/0x330 [ 57.272134][ T4161] ? do_raw_spin_unlock+0x137/0x8b0 [ 57.277561][ T4161] ? bpf_lsm_inode_rmdir+0x5/0x10 [ 57.282611][ T4161] ? security_inode_rmdir+0xca/0x110 [ 57.287980][ T4161] vfs_rmdir+0x305/0x460 [ 57.292240][ T4161] do_rmdir+0x368/0x670 [ 57.296500][ T4161] ? d_delete_notify+0x150/0x150 [ 57.301453][ T4161] ? strncpy_from_user+0x209/0x370 [ 57.306615][ T4161] __x64_sys_rmdir+0x45/0x50 [ 57.311347][ T4161] do_syscall_64+0x3b/0xb0 [ 57.315763][ T4161] ? clear_bhb_loop+0x15/0x70 [ 57.320482][ T4161] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 57.326428][ T4161] RIP: 0033:0x7f6f74b87c07 [ 57.330844][ T4161] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.350614][ T4161] RSP: 002b:00007ffea93d1aa8 EFLAGS: 00000207 ORIG_RAX: 0000000000000054 [ 57.359120][ T4161] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f74b87c07 [ 57.367199][ T4161] RDX: 0000000000008890 RSI: 0000000000000000 RDI: 00007ffea93d2c50 [ 57.375190][ T4161] RBP: 0000000000000065 R08: 0000000000000000 R09: 0000000000000000 [ 57.383221][ T4161] R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffea93d2c50 [ 57.391233][ T4161] R13: 000055555e7e5740 R14: 431bde82d7b634db R15: 00007ffea93d4dd0 [ 57.399274][ T4161] </TASK> [ 57.402308][ T4161] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 57.410049][ T4161] CPU: 0 PID: 4161 Comm: syz-executor402 Not tainted 5.15.174-syzkaller #0 [ 57.418640][ T4161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 57.428695][ T4161] Call Trace: [ 57.431965][ T4161] <TASK> [ 57.434884][ T4161] dump_stack_lvl+0x1e3/0x2d0 [ 57.439572][ T4161] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 57.445216][ T4161] ? panic+0x860/0x860 [ 57.449284][ T4161] ? drop_nlink+0x70/0x100 [ 57.453704][ T4161] ? drop_nlink+0x70/0x100 [ 57.458112][ T4161] panic+0x318/0x860 [ 57.462011][ T4161] ? __warn+0x16a/0x300 [ 57.466159][ T4161] ? fb_is_primary_device+0xd0/0xd0 [ 57.471356][ T4161] ? drop_nlink+0xbb/0x100 [ 57.475763][ T4161] __warn+0x2b2/0x300 [ 57.479763][ T4161] ? drop_nlink+0xbb/0x100 [ 57.484177][ T4161] report_bug+0x1b7/0x2e0 [ 57.488607][ T4161] handle_bug+0x3d/0x70 [ 57.492751][ T4161] exc_invalid_op+0x16/0x40 [ 57.497243][ T4161] asm_exc_invalid_op+0x16/0x20 [ 57.502095][ T4161] RIP: 0010:drop_nlink+0xbb/0x100 [ 57.507122][ T4161] Code: 49 8b 1e 48 8d bb c8 07 00 00 be 08 00 00 00 e8 4b a4 ed ff f0 48 ff 83 c8 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 95 c7 a3 ff <0f> 0b eb 89 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c [ 57.526717][ T4161] RSP: 0018:ffffc900011dfc90 EFLAGS: 00010293 [ 57.532776][ T4161] RAX: ffffffff81dcbd4b RBX: 1ffff1100ea3c69c RCX: ffff888071883b80 [ 57.540750][ T4161] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 57.548720][ T4161] RBP: 0000000000000000 R08: ffffffff81dcbccf R09: ffffed10055100fa [ 57.556704][ T4161] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880751e34e0 [ 57.564683][ T4161] R13: 1ffff1100ea3c5cb R14: ffff8880751e3498 R15: dffffc0000000000 [ 57.572653][ T4161] ? drop_nlink+0x3f/0x100 [ 57.577068][ T4161] ? drop_nlink+0xbb/0x100 [ 57.581482][ T4161] nilfs_rmdir+0x1ac/0x250 [ 57.585903][ T4161] ? nilfs_mkdir+0x330/0x330 [ 57.590486][ T4161] ? do_raw_spin_unlock+0x137/0x8b0 [ 57.595673][ T4161] ? bpf_lsm_inode_rmdir+0x5/0x10 [ 57.600779][ T4161] ? security_inode_rmdir+0xca/0x110 [ 57.606078][ T4161] vfs_rmdir+0x305/0x460 [ 57.610403][ T4161] do_rmdir+0x368/0x670 [ 57.614558][ T4161] ? d_delete_notify+0x150/0x150 [ 57.619485][ T4161] ? strncpy_from_user+0x209/0x370 [ 57.624596][ T4161] __x64_sys_rmdir+0x45/0x50 [ 57.629178][ T4161] do_syscall_64+0x3b/0xb0 [ 57.633585][ T4161] ? clear_bhb_loop+0x15/0x70 [ 57.638254][ T4161] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 57.644150][ T4161] RIP: 0033:0x7f6f74b87c07 [ 57.648578][ T4161] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.668174][ T4161] RSP: 002b:00007ffea93d1aa8 EFLAGS: 00000207 ORIG_RAX: 0000000000000054 [ 57.676674][ T4161] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f74b87c07 [ 57.684636][ T4161] RDX: 0000000000008890 RSI: 0000000000000000 RDI: 00007ffea93d2c50 [ 57.692602][ T4161] RBP: 0000000000000065 R08: 0000000000000000 R09: 0000000000000000 [ 57.700575][ T4161] R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffea93d2c50 [ 57.708644][ T4161] R13: 000055555e7e5740 R14: 431bde82d7b634db R15: 00007ffea93d4dd0 [ 57.716674][ T4161] </TASK> [ 57.720023][ T4161] Kernel Offset: disabled [ 57.724470][ T4161] Rebooting in 86400 seconds..