Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.917711][ T5944] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5944 'syz-executor956' [ 40.933545][ T5944] loop0: detected capacity change from 0 to 2048 [ 40.944461][ T5946] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 40.959218][ T5946] ------------[ cut here ]------------ [ 40.960582][ T5946] WARNING: CPU: 0 PID: 5946 at fs/nilfs2/sufile.c:539 nilfs_sufile_set_segment_usage+0x4a0/0x5a4 [ 40.962967][ T5946] Modules linked in: [ 40.963816][ T5946] CPU: 0 PID: 5946 Comm: segctord Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0 [ 40.965768][ T5946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 40.968116][ T5946] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 40.969911][ T5946] pc : nilfs_sufile_set_segment_usage+0x4a0/0x5a4 [ 40.971467][ T5946] lr : nilfs_sufile_set_segment_usage+0x4a0/0x5a4 [ 40.972896][ T5946] sp : ffff80001e247480 [ 40.973911][ T5946] x29: ffff80001e247520 x28: dfff800000000000 x27: ffff0000d693606c [ 40.975748][ T5946] x26: ffff0000ce623070 x25: ffff0000d6936060 x24: 0000000000000006 [ 40.977604][ T5946] x23: ffff0000ce621b40 x22: 0000000000000028 x21: 0000000000000007 [ 40.979433][ T5946] x20: ffff80001e2474e0 x19: ffff0000ddaf25e8 x18: ffff0000ddaf222a [ 40.981285][ T5946] x17: ffff800009e3de2c x16: 0000000000000000 x15: 0000000000000000 [ 40.983094][ T5946] x14: 0000000000000000 x13: 00000000ffffffef x12: ffff0000ce621b40 [ 40.984841][ T5946] x11: ff80800009e7e69c x10: 0000000000000000 x9 : ffff800009e7e69c [ 40.986605][ T5946] x8 : ffff0000ce621b40 x7 : ffff80000878a508 x6 : 0000000000000000 [ 40.988402][ T5946] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008b53804 [ 40.990226][ T5946] x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000000 [ 40.992079][ T5946] Call trace: [ 40.992815][ T5946] nilfs_sufile_set_segment_usage+0x4a0/0x5a4 [ 40.994153][ T5946] nilfs_segctor_do_construct+0x3d4c/0x6604 [ 40.995483][ T5946] nilfs_segctor_construct+0x110/0x768 [ 40.996760][ T5946] nilfs_segctor_thread+0x3e0/0xd88 [ 40.997915][ T5946] kthread+0x24c/0x2d4 [ 40.998832][ T5946] ret_from_fork+0x10/0x20 [ 40.999818][ T5946] irq event stamp: 200 [ 41.000726][ T5946] hardirqs last enabled at (199): [] kasan_quarantine_put+0x1a0/0x1c8 [ 41.002976][ T5946] hardirqs last disabled at (200): [] el1_dbg+0x24/0x80 [ 41.005037][ T5946] softirqs last enabled at (28): [] __do_softirq+0xd64/0xfbc [ 41.007126][ T5946] softirqs last disabled at (23): [] ____do_softirq+0x14/0x20 [ 41.009107][ T5946] ---[ end trace 0000000000000000 ]---