Warning: Permanently added '10.128.1.116' (ED25519) to the list of known hosts. executing program [ 35.830397][ T6083] syz-executor197[6083]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 35.844068][ T6083] loop0: detected capacity change from 0 to 2048 [ 35.853378][ T6084] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 35.858959][ T6083] NILFS (loop0): nilfs_get_block (ino=15): a race condition while inserting a data block at offset=0 [ 35.861749][ T6083] ------------[ cut here ]------------ [ 35.862971][ T6083] kernel BUG at fs/buffer.c:2791! [ 35.864307][ T6083] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP [ 35.866080][ T6083] Modules linked in: [ 35.867006][ T6083] CPU: 0 PID: 6083 Comm: syz-executor197 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 35.869450][ T6083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 35.871947][ T6083] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.873868][ T6083] pc : submit_bh_wbc+0x430/0x49c [ 35.875005][ T6083] lr : submit_bh_wbc+0x430/0x49c [ 35.876202][ T6083] sp : ffff800096b87610 [ 35.877210][ T6083] x29: ffff800096b87620 x28: 0000000000000400 x27: dfff800000000000 [ 35.879209][ T6083] x26: 0000000000000001 x25: 0000000000000000 x24: 0000000000000000 [ 35.881206][ T6083] x23: 0000000000000000 x22: 0000000000000004 x21: 0000000000000000 [ 35.883134][ T6083] x20: ffff0000dcb6e2b8 x19: 1fffe0001b96dc57 x18: ffff800096b86a40 [ 35.885122][ T6083] x17: 20656c696877206e x16: ffff800080314860 x15: 0000000000000001 [ 35.887060][ T6083] x14: 1fffe0001b96dc63 x13: 0000000000000000 x12: 0000000000000000 [ 35.889001][ T6083] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 [ 35.891143][ T6083] x8 : ffff0000db598000 x7 : 0000000000000001 x6 : 0000000000000001 [ 35.893219][ T6083] x5 : ffff800096b86cf8 x4 : 0000000000000002 x3 : ffff800080b979c4 [ 35.895317][ T6083] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 [ 35.897411][ T6083] Call trace: [ 35.898221][ T6083] submit_bh_wbc+0x430/0x49c [ 35.899374][ T6083] __block_write_begin_int+0xef8/0x158c [ 35.900773][ T6083] block_write_begin+0x98/0x11c [ 35.902022][ T6083] nilfs_write_begin+0xa8/0x114 [ 35.903225][ T6083] generic_perform_write+0x28c/0x588 [ 35.904553][ T6083] __generic_file_write_iter+0xfc/0x204 [ 35.906049][ T6083] generic_file_write_iter+0xb8/0x2b4 [ 35.907293][ T6083] vfs_write+0x628/0x93c [ 35.908271][ T6083] ksys_write+0x15c/0x26c [ 35.909312][ T6083] __arm64_sys_write+0x7c/0x90 [ 35.910443][ T6083] invoke_syscall+0x98/0x2b8 [ 35.911618][ T6083] el0_svc_common+0x130/0x23c [ 35.912698][ T6083] do_el0_svc+0x48/0x58 [ 35.913712][ T6083] el0_svc+0x54/0x158 [ 35.914649][ T6083] el0t_64_sync_handler+0x84/0xfc [ 35.915781][ T6083] el0t_64_sync+0x190/0x194 [ 35.916816][ T6083] Code: 17ffffaf 97e5fdef d4210000 97e5fded (d4210000) [ 35.918438][ T6083] ---[ end trace 0000000000000000 ]--- [ 36.265757][ T6083] Kernel panic - not syncing: Oops - BUG: Fatal exception [ 36.267427][ T6083] SMP: stopping secondary CPUs [ 36.268582][ T6083] Kernel Offset: disabled [ 36.269597][ T6083] CPU features: 0x0,00000020,70020046,21017203 [ 36.271017][ T6083] Memory Limit: none [ 36.616656][ T6083] Rebooting in 86400 seconds..