Warning: Permanently added '10.128.1.11' (ECDSA) to the list of known hosts. [ 34.982042] IPVS: ftp: loaded support on port[0] = 21 executing program [ 35.092589] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/09/12 12:00 (1000) [ 35.126351] ------------[ cut here ]------------ [ 35.131213] VFS: brelse: Trying to free free buffer [ 35.136326] WARNING: CPU: 0 PID: 8108 at fs/buffer.c:1144 __brelse+0x67/0xa0 [ 35.143501] Kernel panic - not syncing: panic_on_warn set ... [ 35.143501] [ 35.150852] CPU: 0 PID: 8108 Comm: syz-executor328 Not tainted 4.19.211-syzkaller #0 [ 35.158771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 35.168122] Call Trace: [ 35.170703] dump_stack+0x1fc/0x2ef [ 35.174328] panic+0x26a/0x50e [ 35.177514] ? __warn_printk+0xf3/0xf3 [ 35.181388] ? __brelse+0x67/0xa0 [ 35.184826] ? __probe_kernel_read+0x130/0x1b0 [ 35.189397] ? __warn.cold+0x5/0x5a [ 35.193002] ? __warn+0xe4/0x200 [ 35.196354] ? __brelse+0x67/0xa0 [ 35.199786] __warn.cold+0x20/0x5a [ 35.203311] ? __brelse+0x67/0xa0 [ 35.206760] report_bug+0x262/0x2b0 [ 35.210390] do_error_trap+0x1d7/0x310 [ 35.214307] ? math_error+0x310/0x310 [ 35.218097] ? irq_work_claim+0xa6/0xc0 [ 35.222053] ? irq_work_queue+0x29/0x80 [ 35.226012] ? error_entry+0x72/0xd0 [ 35.229708] ? trace_hardirqs_off_caller+0x2c/0x210 [ 35.234706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.239533] invalid_op+0x14/0x20 [ 35.242973] RIP: 0010:__brelse+0x67/0xa0 [ 35.247013] Code: 7c 04 84 d2 75 4e 44 8b 63 60 31 ff 44 89 e6 e8 bf 16 b2 ff 45 85 e4 75 1c e8 45 15 b2 ff 48 c7 c7 e0 1c 75 88 e8 1e 4d 42 06 <0f> 0b 5b 5d 41 5c e9 2e 15 b2 ff e8 29 15 b2 ff be 04 00 00 00 48 [ 35.265892] RSP: 0018:ffff8880952cfa38 EFLAGS: 00010086 [ 35.271236] RAX: 0000000000000000 RBX: ffff88808df92498 RCX: 0000000000000000 [ 35.278486] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1012a59f39 [ 35.285733] RBP: ffff88808df924f8 R08: 0000000000000001 R09: 0000000000000000 [ 35.292983] R10: 0000000000000005 R11: ffffffff8c66501b R12: 0000000000000000 [ 35.300231] R13: dffffc0000000000 R14: ffff8880ba0287e0 R15: ffffffff81b08270 [ 35.307489] ? __find_get_block+0xde0/0xde0 [ 35.311797] ? vprintk_func+0x81/0x180 [ 35.315666] ? __brelse+0x67/0xa0 [ 35.319102] invalidate_bh_lru+0x90/0x140 [ 35.323228] ? __find_get_block+0xde0/0xde0 [ 35.327534] on_each_cpu_mask+0xf7/0x240 [ 35.331576] ? touch_buffer+0x2f0/0x2f0 [ 35.335531] on_each_cpu_cond+0x12d/0x1c0 [ 35.339661] ? on_each_cpu_mask+0x240/0x240 [ 35.343963] ? lock_downgrade+0x720/0x720 [ 35.348094] ? blkdev_put+0x30/0x520 [ 35.351789] __blkdev_put+0x29e/0x870 [ 35.355570] ? fsync_bdev+0xc0/0xc0 [ 35.359186] ? blkdev_put+0x85/0x520 [ 35.362884] deactivate_locked_super+0x94/0x160 [ 35.367531] deactivate_super+0x174/0x1a0 [ 35.371661] ? deactivate_locked_super+0x160/0x160 [ 35.376572] ? dput+0x31/0x640 [ 35.379746] cleanup_mnt+0x1a8/0x290 [ 35.383441] task_work_run+0x148/0x1c0 [ 35.387321] do_exit+0xbf3/0x2be0 [ 35.390758] ? lock_downgrade+0x720/0x720 [ 35.394886] ? mm_update_next_owner+0x650/0x650 [ 35.399536] ? up_read+0x17/0x110 [ 35.402969] ? __do_page_fault+0x180/0xd60 [ 35.407187] do_group_exit+0x125/0x310 [ 35.411057] __x64_sys_exit_group+0x3a/0x50 [ 35.415361] do_syscall_64+0xf9/0x620 [ 35.419146] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.424318] RIP: 0033:0x7f639e97f889 [ 35.428020] Code: Bad RIP value. [ 35.431382] RSP: 002b:00007ffe99912a18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.439072] RAX: ffffffffffffffda RBX: 00007f639e9f6330 RCX: 00007f639e97f889 [ 35.446321] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 35.453577] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f639e9f0e40 [ 35.460829] R10: 00007f639e9f0e40 R11: 0000000000000246 R12: 00007f639e9f6330 [ 35.468077] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 35.475681] Kernel Offset: disabled [ 35.479352] Rebooting in 86400 seconds..