watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [aoe_tx0:2367]
Modules linked in:
irq event stamp: 40103465
hardirqs last  enabled at (40103464): [<ffff80008b7e6c78>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (40103464): [<ffff80008b7e6c78>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (40103465): [<ffff80008b7c2f84>] __el1_irq arch/arm64/kernel/entry-common.c:557 [inline]
hardirqs last disabled at (40103465): [<ffff80008b7c2f84>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:575
softirqs last  enabled at (1136): [<ffff8000898eaf10>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1140): [<ffff8000898eaedc>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 0 UID: 0 PID: 2367 Comm: aoe_tx0 Not tainted 6.14.0-rc3-syzkaller-ga1c24ab82279 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : uart_write_room+0x4/0x71c drivers/tty/serial/serial_core.c:641
lr : tty_write_room+0x6c/0x8c drivers/tty/tty_ioctl.c:69
sp : ffff8000a1ad7710
x29: ffff8000a1ad7710 x28: ffff0000d1a39930 x27: ffff0000d1a398c0
x26: ffff0000c9e38da8 x25: ffff0000d81b2020 x24: 0000000000000000
x23: ffff0000c9e38db0 x22: 0000000000000020 x21: dfff800000000000
x20: ffff800084025020 x19: ffff0000d81b2000 x18: ffff8000a1ad7360
x17: 000000000001eef3 x16: ffff8000806a0514 x15: 0000000000000001
x14: 1fffe000193aa1f0 x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000193aa1f1 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000ccd18000 x7 : ffff800084023d6c x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008402412c
x2 : 0000000000000001 x1 : 0000000000000020 x0 : ffff0000d81b2000
Call trace:
 uart_write_room+0x4/0x71c drivers/tty/serial/serial_core.c:641 (P)
 handle_tx+0x120/0x604 drivers/net/caif/caif_serial.c:226
 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:282
 __netdev_start_xmit include/linux/netdevice.h:5150 [inline]
 netdev_start_xmit include/linux/netdevice.h:5159 [inline]
 xmit_one net/core/dev.c:3735 [inline]
 dev_hard_start_xmit+0x274/0x904 net/core/dev.c:3751
 __dev_queue_xmit+0x1680/0x35b4 net/core/dev.c:4584
 dev_queue_xmit include/linux/netdevice.h:3311 [inline]
 tx+0x9c/0x1cc drivers/block/aoe/aoenet.c:62
 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1237
 kthread+0x65c/0x7b0 kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 707 Comm: kworker/u8:9 Not tainted 6.14.0-rc3-syzkaller-ga1c24ab82279 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: events_unbound toggle_allocation_gate
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : csd_lock_wait kernel/smp.c:340 [inline]
pc : smp_call_function_many_cond+0x19b4/0x3298 kernel/smp.c:885
lr : csd_lock_wait kernel/smp.c:340 [inline]
lr : smp_call_function_many_cond+0x19cc/0x3298 kernel/smp.c:885
sp : ffff80009d7376f0
x29: ffff80009d737830 x28: 1fffe000366f8d21 x27: dfff800000000000
x26: ffff0001b37a8d08 x25: 0000000000000000 x24: 0000000000000008
x23: ffffffffffffffff x22: 1fffe000366f8d20 x21: 0000000000000011
x20: ffff0001b37c6908 x19: ffff0001b37c6900 x18: 1fffe000366f6086
x17: ffff80008fbbd000 x16: ffff8000832b5a70 x15: 0000000000000001
x14: 1fffe000366f51a1 x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000366f51a2 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 0000000000000011 x7 : ffff80008015b660 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000805efc8c
x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001
Call trace:
 __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:231 [inline] (P)
 __cmpwait arch/arm64/include/asm/cmpxchg.h:257 [inline] (P)
 csd_lock_wait kernel/smp.c:340 [inline] (P)
 smp_call_function_many_cond+0x19b4/0x3298 kernel/smp.c:885 (P)
 smp_call_function_many kernel/smp.c:909 [inline]
 smp_call_function kernel/smp.c:931 [inline]
 kick_all_cpus_sync+0x40/0xa0 kernel/smp.c:1076
 arch_jump_label_transform_apply+0x14/0x20 arch/arm64/kernel/jump_label.c:34
 __jump_label_update+0x30c/0x334 kernel/jump_label.c:521
 jump_label_update+0x30c/0x3bc kernel/jump_label.c:920
 static_key_enable_cpuslocked+0x140/0x230 kernel/jump_label.c:210
 static_key_enable+0x24/0x38 kernel/jump_label.c:223
 toggle_allocation_gate+0xc4/0x264 mm/kfence/core.c:850
 process_one_work+0x810/0x1638 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3398
 kthread+0x65c/0x7b0 kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862