Warning: Permanently added '10.128.0.187' (ED25519) to the list of known hosts. executing program [ 45.014265][ T3960] ------------[ cut here ]------------ [ 45.015533][ T3960] WARNING: CPU: 1 PID: 3960 at block/genhd.c:589 del_gendisk+0x698/0x72c [ 45.017267][ T3960] Modules linked in: [ 45.018035][ T3960] CPU: 1 PID: 3960 Comm: syz-executor385 Not tainted 5.15.120-syzkaller #0 [ 45.019840][ T3960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 45.021928][ T3960] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 45.023578][ T3960] pc : del_gendisk+0x698/0x72c [ 45.024575][ T3960] lr : del_gendisk+0x698/0x72c [ 45.025582][ T3960] sp : ffff80001a2d7bc0 [ 45.026465][ T3960] x29: ffff80001a2d7be0 x28: ffff0000da5c3680 x27: 1fffe0001acc162a [ 45.028150][ T3960] x26: 1fffe000191b2110 x25: 1ffff0000345af88 x24: ffff0000c8d90880 [ 45.029874][ T3960] x23: 0000000000000000 x22: ffff0000c8d908a0 x21: ffff0000c8d90800 [ 45.031504][ T3960] x20: ffff0000cc91c718 x19: 0000000000000240 x18: 0000000000000000 [ 45.033134][ T3960] x17: ff8080000c01db2c x16: ffff8000082e8c60 x15: ffff80000c01db2c [ 45.034832][ T3960] x14: 1ffff0000291e06a x13: ffffffffffffffff x12: 0000000000000000 [ 45.036520][ T3960] x11: ff8080000a825850 x10: 0000000000000000 x9 : ffff80000a825850 [ 45.038146][ T3960] x8 : ffff0000da5c3680 x7 : ffff80000c01dd94 x6 : 0000000000000000 [ 45.039868][ T3960] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800011a21464 [ 45.041537][ T3960] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.043165][ T3960] Call trace: [ 45.043847][ T3960] del_gendisk+0x698/0x72c [ 45.044783][ T3960] loop_control_ioctl+0x4a8/0x62c [ 45.045806][ T3960] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.046840][ T3960] invoke_syscall+0x98/0x2b8 [ 45.047815][ T3960] el0_svc_common+0x138/0x258 [ 45.048788][ T3960] do_el0_svc+0x58/0x14c [ 45.049650][ T3960] el0_svc+0x7c/0x1f0 [ 45.050459][ T3960] el0t_64_sync_handler+0x84/0xe4 [ 45.051498][ T3960] el0t_64_sync+0x1a0/0x1a4 [ 45.052435][ T3960] irq event stamp: 13524 [ 45.053315][ T3960] hardirqs last enabled at (13523): [] kasan_quarantine_put+0xdc/0x204 [ 45.055348][ T3960] hardirqs last disabled at (13524): [] el1_dbg+0x24/0x80 [ 45.057160][ T3960] softirqs last enabled at (12856): [] __do_softirq+0xb5c/0xe20 [ 45.059053][ T3960] softirqs last disabled at (12847): [] __irq_exit_rcu+0x28c/0x534 [ 45.061028][ T3960] ---[ end trace 8620a6fa9472fbd2 ]---