Warning: Permanently added '10.128.0.44' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.345260][ T3031] loop0: detected capacity change from 0 to 2048 [ 27.351096][ T3032] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 27.359345][ T3032] ------------[ cut here ]------------ [ 27.360635][ T3032] WARNING: CPU: 0 PID: 3032 at fs/nilfs2/sufile.c:531 nilfs_sufile_set_segment_usage+0x1d0/0x258 [ 27.363165][ T3032] Modules linked in: [ 27.364093][ T3032] CPU: 0 PID: 3032 Comm: segctord Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 27.366441][ T3032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 27.368889][ T3032] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 27.370791][ T3032] pc : nilfs_sufile_set_segment_usage+0x1d0/0x258 [ 27.372314][ T3032] lr : nilfs_sufile_set_segment_usage+0x1d0/0x258 [ 27.373869][ T3032] sp : ffff80000fff3c20 [ 27.374874][ T3032] x29: ffff80000fff3c30 x28: ffff80000fff3de0 x27: ffff0000c7f284c8 [ 27.376878][ T3032] x26: 0000000040000000 x25: 0000000000000005 x24: ffff0000c1f11a80 [ 27.378917][ T3032] x23: ffff0000cccaa050 x22: 000000000000001b x21: 0000000000000010 [ 27.380932][ T3032] x20: 0000000000000000 x19: ffff0000cad29f08 x18: 00000000000000c0 [ 27.382983][ T3032] x17: ffff80000dd0b198 x16: 0000000000000000 x15: 0000000000000000 [ 27.385014][ T3032] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000005 [ 27.387263][ T3032] x11: ff80800008f77740 x10: 0000000000000000 x9 : ffff800008f77740 [ 27.389222][ T3032] x8 : ffff0000c1f11a80 x7 : ffff8000083d3920 x6 : 0000000000000000 [ 27.391255][ T3032] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 000000000000000a [ 27.393168][ T3032] x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000000 [ 27.395120][ T3032] Call trace: [ 27.395924][ T3032] nilfs_sufile_set_segment_usage+0x1d0/0x258 [ 27.397478][ T3032] nilfs_segctor_do_construct+0x9a8/0xee8 [ 27.398838][ T3032] nilfs_segctor_construct+0xa0/0x380 [ 27.400112][ T3032] nilfs_segctor_thread+0x180/0x660 [ 27.401192][ T3032] kthread+0x12c/0x158 [ 27.402025][ T3032] ret_from_fork+0x10/0x20 [ 27.402928][ T3032] irq event stamp: 194 [ 27.403766][ T3032] hardirqs last enabled at (193): [] _raw_spin_unlock_irqrestore+0x48/0x8c [ 27.405858][ T3032] hardirqs last disabled at (194): [] el1_dbg+0x24/0x5c [ 27.407644][ T3032] softirqs last enabled at (40): [] _stext+0x2e4/0x37c [ 27.409711][ T3032] softirqs last disabled at (23): [] ____do_softirq+0x14/0x20 [ 27.411895][ T3032] ---[ end trace 0000000000000000 ]---