watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz.0.377:7697]
Modules linked in:
irq event stamp: 162588
hardirqs last  enabled at (162587): [<ffff80008b807c58>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline]
hardirqs last  enabled at (162587): [<ffff80008b807c58>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95
hardirqs last disabled at (162588): [<ffff80008b8056d0>] __el1_irq arch/arm64/kernel/entry-common.c:557 [inline]
hardirqs last disabled at (162588): [<ffff80008b8056d0>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:575
softirqs last  enabled at (162582): [<ffff8000803133e0>] softirq_handle_end kernel/softirq.c:407 [inline]
softirqs last  enabled at (162582): [<ffff8000803133e0>] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589
softirqs last disabled at (162547): [<ffff800080020db4>] __do_softirq+0x14/0x20 kernel/softirq.c:595
CPU: 1 UID: 0 PID: 7697 Comm: syz.0.377 Not tainted 6.14.0-rc1-syzkaller-g2014c95afece #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
pstate: 60400005 (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 : ffff8000a0537320
x29: ffff8000a0537460 x28: 1fffe000366f9111 x27: dfff800000000000
x26: ffff0001b37aac88 x25: 0000000000000000 x24: 0000000000000008
x23: ffffffffffffffff x22: 1fffe000366f9110 x21: 0000000000000011
x20: ffff0001b37c8888 x19: ffff0001b37c8880 x18: 1ffff000140a6e5e
x17: ffff80008fbcd000 x16: ffff800080469d6c x15: 0000000000000001
x14: 1fffe000366f5591 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 000000000007ffff x9 : 0000000000000000
x8 : 0000000000000011 x7 : ffff800080995ccc x6 : 0000000000000000
x5 : 0000000000000000 x4 : ffff800080e089bc x3 : ffff8000805f026c
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)
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1052
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1530
 invalidate_bdev+0x74/0xa4 block/bdev.c:100
 btrfs_get_bdev_and_sb+0x110/0x1dc fs/btrfs/volumes.c:495
 btrfs_open_one_device fs/btrfs/volumes.c:660 [inline]
 open_fs_devices+0x1e8/0xef4 fs/btrfs/volumes.c:1313
 btrfs_open_devices+0x118/0x188 fs/btrfs/volumes.c:1391
 btrfs_get_tree_super fs/btrfs/super.c:1857 [inline]
 btrfs_get_tree+0x400/0x12c4 fs/btrfs/super.c:2093
 vfs_get_tree+0x90/0x28c fs/super.c:1814
 fc_mount+0x24/0xac fs/namespace.c:1271
 btrfs_get_tree_subvol fs/btrfs/super.c:2051 [inline]
 btrfs_get_tree+0x4f0/0x12c4 fs/btrfs/super.c:2094
 vfs_get_tree+0x90/0x28c fs/super.c:1814
 do_new_mount+0x278/0x900 fs/namespace.c:3560
 path_mount+0x590/0xe04 fs/namespace.c:3887
 do_mount fs/namespace.c:3900 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount fs/namespace.c:4088 [inline]
 __arm64_sys_mount+0x4d8/0x5ac fs/namespace.c:4088
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Sending NMI from CPU 1 to CPUs 0: