Warning: Permanently added '10.128.0.8' (ED25519) to the list of known hosts. executing program syzkaller login: [ 75.942957][ T4247] loop0: detected capacity change from 0 to 32768 [ 75.968679][ T4247] ------------[ cut here ]------------ [ 75.974501][ T4247] WARNING: CPU: 1 PID: 4247 at fs/inode.c:332 drop_nlink+0xbb/0x100 [ 75.983358][ T4247] Modules linked in: [ 75.987444][ T4247] CPU: 1 PID: 4247 Comm: syz-executor396 Not tainted 6.1.136-syzkaller #0 [ 75.996914][ T4247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 76.007843][ T4247] RIP: 0010:drop_nlink+0xbb/0x100 [ 76.015083][ T4247] Code: 48 8b 1b 48 8d bb c0 07 00 00 be 08 00 00 00 e8 ab 7d eb ff f0 48 ff 83 c0 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 e5 08 9a ff <0f> 0b eb 88 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c [ 76.037211][ T4247] RSP: 0018:ffffc90003c378d0 EFLAGS: 00010293 [ 76.043461][ T4247] RAX: ffffffff81e6babb RBX: ffff888070f21ff0 RCX: ffff88803027bb80 [ 76.052034][ T4247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 76.063054][ T4247] RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff94000134297 [ 76.071530][ T4247] R10: fffff94000134297 R11: 1ffffd4000134296 R12: 1ffff1100e1e4407 [ 76.082246][ T4247] R13: 1ffff92000786f2c R14: ffff888070f22038 R15: dffffc0000000000 [ 76.090336][ T4247] FS: 000055557a13a380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 76.099765][ T4247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.106668][ T4247] CR2: 00007fff262379a8 CR3: 000000002bef7000 CR4: 00000000003506e0 [ 76.115325][ T4247] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.123820][ T4247] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.132777][ T4247] Call Trace: [ 76.136343][ T4247] [ 76.139356][ T4247] jfs_rename+0xbf8/0x16a0 [ 76.144130][ T4247] ? jfs_mknod+0x930/0x930 [ 76.149012][ T4247] ? do_raw_spin_unlock+0x11d/0x230 [ 76.154257][ T4247] ? jfs_mknod+0x930/0x930 [ 76.159372][ T4247] vfs_rename+0xbbf/0x10d0 [ 76.163885][ T4247] ? __ia32_sys_link+0x90/0x90 [ 76.168902][ T4247] ? _raw_spin_unlock+0x24/0x40 [ 76.173939][ T4247] ? bpf_lsm_path_rename+0x5/0x10 [ 76.179349][ T4247] ? security_path_rename+0x178/0x200 [ 76.184827][ T4247] do_renameat2+0x89d/0xc70 [ 76.189478][ T4247] ? fsnotify_move+0x4e0/0x4e0 [ 76.194318][ T4247] ? __check_object_size+0x500/0xa40 [ 76.199872][ T4247] ? strncpy_from_user+0x1e3/0x350 [ 76.205230][ T4247] ? getname_flags+0x206/0x500 [ 76.210195][ T4247] __x64_sys_rename+0x82/0x90 [ 76.214968][ T4247] do_syscall_64+0x4c/0xa0 [ 76.219704][ T4247] ? clear_bhb_loop+0x45/0xa0 [ 76.224448][ T4247] ? clear_bhb_loop+0x45/0xa0 [ 76.229229][ T4247] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 76.235451][ T4247] RIP: 0033:0x7f0e14123639 [ 76.240007][ T4247] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 76.260801][ T4247] RSP: 002b:00007ffe6b7ca1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 76.269728][ T4247] RAX: ffffffffffffffda RBX: 00007ffe6b7ca3d8 RCX: 00007f0e14123639 [ 76.278037][ T4247] RDX: 0000000000000000 RSI: 0000200000000780 RDI: 00002000000003c0 [ 76.286333][ T4247] RBP: 00007f0e1419c610 R08: 0000000000006221 R09: 0000000000000000 [ 76.294564][ T4247] R10: 00007ffe6b7ca0c0 R11: 0000000000000246 R12: 0000000000000001 [ 76.303058][ T4247] R13: 00007ffe6b7ca3c8 R14: 0000000000000001 R15: 0000000000000001 [ 76.311222][ T4247] [ 76.314280][ T4247] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 76.321762][ T4247] CPU: 1 PID: 4247 Comm: syz-executor396 Not tainted 6.1.136-syzkaller #0 [ 76.330450][ T4247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 76.341410][ T4247] Call Trace: [ 76.344976][ T4247] [ 76.348352][ T4247] dump_stack_lvl+0x168/0x22e [ 76.353655][ T4247] ? memcpy+0x3c/0x60 [ 76.358060][ T4247] ? show_regs_print_info+0x12/0x12 [ 76.363305][ T4247] ? load_image+0x3b0/0x3b0 [ 76.367957][ T4247] panic+0x2c9/0x710 [ 76.372042][ T4247] ? bpf_jit_dump+0xd0/0xd0 [ 76.376725][ T4247] __warn+0x2f8/0x4f0 [ 76.380952][ T4247] ? drop_nlink+0xbb/0x100 [ 76.385621][ T4247] ? drop_nlink+0xbb/0x100 [ 76.390786][ T4247] report_bug+0x2ba/0x4f0 [ 76.395625][ T4247] ? drop_nlink+0xbb/0x100 [ 76.400507][ T4247] handle_bug+0x3a/0x70 [ 76.404921][ T4247] exc_invalid_op+0x16/0x40 [ 76.409472][ T4247] asm_exc_invalid_op+0x16/0x20 [ 76.414650][ T4247] RIP: 0010:drop_nlink+0xbb/0x100 [ 76.419715][ T4247] Code: 48 8b 1b 48 8d bb c0 07 00 00 be 08 00 00 00 e8 ab 7d eb ff f0 48 ff 83 c0 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 e5 08 9a ff <0f> 0b eb 88 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c [ 76.439634][ T4247] RSP: 0018:ffffc90003c378d0 EFLAGS: 00010293 [ 76.445916][ T4247] RAX: ffffffff81e6babb RBX: ffff888070f21ff0 RCX: ffff88803027bb80 [ 76.454101][ T4247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 76.462559][ T4247] RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff94000134297 [ 76.470564][ T4247] R10: fffff94000134297 R11: 1ffffd4000134296 R12: 1ffff1100e1e4407 [ 76.479834][ T4247] R13: 1ffff92000786f2c R14: ffff888070f22038 R15: dffffc0000000000 [ 76.488403][ T4247] ? drop_nlink+0xbb/0x100 [ 76.493985][ T4247] jfs_rename+0xbf8/0x16a0 [ 76.499184][ T4247] ? jfs_mknod+0x930/0x930 [ 76.504699][ T4247] ? do_raw_spin_unlock+0x11d/0x230 [ 76.510128][ T4247] ? jfs_mknod+0x930/0x930 [ 76.515254][ T4247] vfs_rename+0xbbf/0x10d0 [ 76.519826][ T4247] ? __ia32_sys_link+0x90/0x90 [ 76.524840][ T4247] ? _raw_spin_unlock+0x24/0x40 [ 76.530151][ T4247] ? bpf_lsm_path_rename+0x5/0x10 [ 76.535240][ T4247] ? security_path_rename+0x178/0x200 [ 76.541173][ T4247] do_renameat2+0x89d/0xc70 [ 76.546291][ T4247] ? fsnotify_move+0x4e0/0x4e0 [ 76.552244][ T4247] ? __check_object_size+0x500/0xa40 [ 76.557863][ T4247] ? strncpy_from_user+0x1e3/0x350 [ 76.563237][ T4247] ? getname_flags+0x206/0x500 [ 76.568228][ T4247] __x64_sys_rename+0x82/0x90 [ 76.573052][ T4247] do_syscall_64+0x4c/0xa0 [ 76.577580][ T4247] ? clear_bhb_loop+0x45/0xa0 [ 76.582468][ T4247] ? clear_bhb_loop+0x45/0xa0 [ 76.587168][ T4247] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 76.593749][ T4247] RIP: 0033:0x7f0e14123639 [ 76.598471][ T4247] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 76.618970][ T4247] RSP: 002b:00007ffe6b7ca1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 76.627764][ T4247] RAX: ffffffffffffffda RBX: 00007ffe6b7ca3d8 RCX: 00007f0e14123639 [ 76.636466][ T4247] RDX: 0000000000000000 RSI: 0000200000000780 RDI: 00002000000003c0 [ 76.646155][ T4247] RBP: 00007f0e1419c610 R08: 0000000000006221 R09: 0000000000000000 [ 76.655396][ T4247] R10: 00007ffe6b7ca0c0 R11: 0000000000000246 R12: 0000000000000001 [ 76.663405][ T4247] R13: 00007ffe6b7ca3c8 R14: 0000000000000001 R15: 0000000000000001 [ 76.672040][ T4247] [ 76.675903][ T4247] Kernel Offset: disabled [ 76.680472][ T4247] Rebooting in 86400 seconds..