watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor:6937]
Modules linked in:
irq event stamp: 685064
hardirqs last  enabled at (685063): [<ffff80008adba338>] el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
hardirqs last disabled at (685064): [<ffff80008adbbc40>] __el0_irq_handler_common+0x18/0x24 arch/arm64/kernel/entry-common.c:861
softirqs last  enabled at (685024): [<ffff8000801fbf10>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (685022): [<ffff8000801fbedc>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 1 UID: 0 PID: 6937 Comm: syz-executor Not tainted 6.15.0-rc7-syzkaller-00085-gd7fa1af5b33e #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 60001000 (nZCv daif -PAN -UAO -TCO -DIT +SSBS BTYPE=--)
pc : 0000ffff8fd52c4c
lr : 0000ffff8fd5089c
sp : 0000ffffcf0bb790
x29: 0000ffffcf0bb790 x28: 0000ffffcf0bcef6 x27: 0000ffff8fd7e660
x26: 0000ffffcf0bb860 x25: 0000000000000003 x24: 0000aaaacd45ec6c
x23: 0000000000000000 x22: 0000000000001dda x21: 0000ffff90b48000
x20: 0000ffff8ff0e000 x19: 0000000000009000 x18: 0000ffff8fdf9a00
x17: 0000ffff8fd40740 x16: 0000000000000001 x15: 00000000fc62c3a7
x14: 0000000000000000 x13: 000000000000000a x12: 0000ffffcf0bb860
x11: 0000000000004111 x10: 0000ffff8fd50990 x9 : 0000ffff8fda8410
x8 : 00000000000000d7 x7 : 0000ffff90b48000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000009000 x0 : 0000000000000000
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc7-syzkaller-00085-gd7fa1af5b33e #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:50
lr : default_idle_call+0xd0/0xfc kernel/sched/idle.c:124
sp : ffff80008f297d00
x29: ffff80008f297d00 x28: 0000000000000001 x27: dfff800000000000
x26: 1ffff00011e52fa8 x25: 0000000000000000 x24: 0000000000000000
x23: 1ffff00011e68c18 x22: ffff80008f31e6e8 x21: 1ffff00011e63cdd
x20: 0000000000000000 x19: ffff8000804be180 x18: 1fffe0003386aa76
x17: ffff80008f31e000 x16: ffff8000804bdae0 x15: 0000000000000001
x14: 1fffe0003386c728 x13: 0000000000000000 x12: 0000000000000000
x11: ffff60003386c729 x10: 0000000000000003 x9 : 0000000000000000
x8 : 000000000007b179 x7 : ffff80008064d12c x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008adbe448
x2 : 0000000000000000 x1 : ffff80008e905939 x0 : ffff80010d0e8000
Call trace:
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P)
 arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P)
 cpuidle_idle_call kernel/sched/idle.c:185 [inline]
 do_idle+0x1d8/0x454 kernel/sched/idle.c:325
 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423
 rest_init+0x2d8/0x2f4 init/main.c:743
 start_kernel+0x44c/0x4a8 init/main.c:1099
 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246