watchdog: BUG: soft lockup - CPU#1 stuck for 135s! [syz-executor.0:6004]
Modules linked in:
irq event stamp: 5845834
hardirqs last  enabled at (5845833): [<ffff80000827ecb8>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1378 [inline]
hardirqs last  enabled at (5845833): [<ffff80000827ecb8>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5065
hardirqs last disabled at (5845834): [<ffff800012316574>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (5845834): [<ffff800012316574>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (5844618): [<ffff800008020c1c>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (5844618): [<ffff800008020c1c>] __do_softirq+0xac0/0xd54 kernel/softirq.c:600
softirqs last disabled at (5843103): [<ffff80000802a724>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
CPU: 1 PID: 6004 Comm: syz-executor.0 Not tainted 6.3.0-rc6-syzkaller-g1f5b16c51aef #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : finish_lock_switch+0xc0/0x1e4 kernel/sched/core.c:5066
lr : raw_spin_rq_unlock_irq kernel/sched/sched.h:1378 [inline]
lr : finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5065
sp : ffff80001e9f7450
x29: ffff80001e9f7450 x28: 1fffe00036858a47 x27: ffff800015c81110
x26: ffff800015c8057c x25: 1fffe00036858a5a x24: ffff800015c80000
x23: dfff800000000000 x22: ffff0001b42c52d0 x21: ffff0001b42c4818
x20: 0000000000000000 x19: ffff0001b42c4800 x18: 1fffe000368561b6
x17: ffff800015c7d000 x16: ffff800008302b68 x15: ffff0001b42b0dbc
x14: 1ffff00002b900b0 x13: dfff800000000000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : 0000000000000000
x8 : 0000000000593349 x7 : ffff80000827ec18 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : ffff80001247b7c0 x0 : ffff80019e6e2000
Call trace:
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:33 [inline]
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:55 [inline]
 raw_spin_rq_unlock_irq kernel/sched/sched.h:1378 [inline]
 finish_lock_switch+0xc0/0x1e4 kernel/sched/core.c:5065
 finish_task_switch+0x120/0x618 kernel/sched/core.c:5184
 context_switch kernel/sched/core.c:5310 [inline]
 __schedule+0x1040/0x1e2c kernel/sched/core.c:6625
 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:6937
 arm64_preempt_schedule_irq arch/arm64/kernel/entry-common.c:265 [inline]
 __el1_irq arch/arm64/kernel/entry-common.c:474 [inline]
 el1_interrupt+0x4c/0x68 arch/arm64/kernel/entry-common.c:486
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:587
 ext4_discard_preallocations+0x0/0xee8 fs/ext4/mballoc.c:1617
 ext4_evict_inode+0xc24/0x1254 fs/ext4/inode.c:286
 evict+0x260/0x68c fs/inode.c:665
 iput_final fs/inode.c:1748 [inline]
 iput+0x734/0x818 fs/inode.c:1774
 d_delete_notify include/linux/fsnotify.h:261 [inline]
 vfs_rmdir+0x330/0x43c fs/namei.c:4134
 do_rmdir+0x2e4/0x844 fs/namei.c:4180
 __do_sys_unlinkat fs/namei.c:4358 [inline]
 __se_sys_unlinkat fs/namei.c:4352 [inline]
 __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4352
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
 el0_svc+0x4c/0x15c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591