Warning: Permanently added '10.128.1.171' (ED25519) to the list of known hosts. executing program [ 34.724845][ T6234] loop0: detected capacity change from 0 to 128 [ 34.729826][ T6234] oldfs: cannot read superblock [ 34.731323][ T6234] ------------[ cut here ]------------ [ 34.732789][ T6234] VFS: brelse: Trying to free free buffer [ 34.734459][ T6234] WARNING: CPU: 1 PID: 6234 at fs/buffer.c:1235 invalidate_bh_lru+0x128/0x200 [ 34.736891][ T6234] Modules linked in: [ 34.737885][ T6234] CPU: 1 PID: 6234 Comm: syz-executor391 Not tainted 6.9.0-rc3-syzkaller-gb5d2afe8745b #0 [ 34.740570][ T6234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 34.743285][ T6234] pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 34.745445][ T6234] pc : invalidate_bh_lru+0x128/0x200 [ 34.746900][ T6234] lr : invalidate_bh_lru+0x128/0x200 [ 34.748309][ T6234] sp : ffff8000a14d7950 [ 34.749416][ T6234] x29: ffff8000a14d7950 x28: ffff800080c325a4 x27: 0000000000000000 [ 34.751637][ T6234] x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b3e00fd0 [ 34.753844][ T6234] x23: 0000000000000000 x22: dfff800000000000 x21: 0000000000000000 [ 34.756097][ T6234] x20: ffff0000dbfabd10 x19: ffff80008b0bba00 x18: 0000000000000008 [ 34.758256][ T6234] x17: 0000000000000000 x16: ffff80008ae71340 x15: 0000000000000001 [ 34.760405][ T6234] x14: 1fffe000367be202 x13: 0000000000000000 x12: 0000000000000000 [ 34.762559][ T6234] x11: 0000000000000004 x10: 0000000000ff0100 x9 : 666122383be63000 [ 34.764793][ T6234] x8 : 666122383be63000 x7 : 0000000000000001 x6 : 0000000000000001 [ 34.766985][ T6234] x5 : ffff8000a14d70b8 x4 : ffff80008ef65060 x3 : ffff8000805e9200 [ 34.769166][ T6234] x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000000 [ 34.771369][ T6234] Call trace: [ 34.772258][ T6234] invalidate_bh_lru+0x128/0x200 [ 34.773566][ T6234] smp_call_function_many_cond+0x142c/0x2f6c [ 34.775184][ T6234] on_each_cpu_cond_mask+0x5c/0xc4 [ 34.776511][ T6234] invalidate_bh_lrus+0x34/0x40 [ 34.777820][ T6234] blkdev_flush_mapping+0x128/0x280 [ 34.779260][ T6234] bdev_release+0x4c8/0x64c [ 34.780519][ T6234] blkdev_release+0x20/0x34 [ 34.781739][ T6234] __fput+0x30c/0x738 [ 34.782794][ T6234] ____fput+0x20/0x30 [ 34.783867][ T6234] task_work_run+0x230/0x2e0 [ 34.785063][ T6234] do_notify_resume+0x178/0x1f4 [ 34.786398][ T6234] el0_svc+0xac/0x168 [ 34.787455][ T6234] el0t_64_sync_handler+0x84/0xfc [ 34.788750][ T6234] el0t_64_sync+0x190/0x194 [ 34.789962][ T6234] irq event stamp: 12348 [ 34.791105][ T6234] hardirqs last enabled at (12347): [] _raw_spin_unlock_irq+0x30/0x80 [ 34.793795][ T6234] hardirqs last disabled at (12348): [] smp_call_function_many_cond+0x1344/0x2f6c [ 34.796669][ T6234] softirqs last enabled at (11372): [] __do_softirq+0xb10/0xd2c [ 34.799131][ T6234] softirqs last disabled at (11363): [] ____do_softirq+0x14/0x20 [ 34.801713][ T6234] ---[ end trace 0000000000000000 ]--- [ 34.864418][ T6235] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0