watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.4:6871]
Modules linked in:
irq event stamp: 82958
hardirqs last  enabled at (82957): [<ffff8000121071c0>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (82957): [<ffff8000121071c0>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (82958): [<ffff800012104e9c>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (82958): [<ffff800012104e9c>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (78666): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (78666): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (78587): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
CPU: 1 PID: 6871 Comm: syz-executor.4 Not tainted 6.1.32-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : csd_lock_wait kernel/smp.c:413 [inline]
pc : smp_call_function_many_cond+0x1b28/0x3270 kernel/smp.c:987
lr : csd_lock_wait kernel/smp.c:413 [inline]
lr : smp_call_function_many_cond+0x1b40/0x3270 kernel/smp.c:987
sp : ffff800020976fc0
x29: ffff800020977330 x28: ffff8000155c1130 x27: 1fffe000368bc6b8
x26: ffff800020977128 x25: ffff0001b45c9748 x24: 0000000000000000
x23: dfff800000000000 x22: ffff0001b45e35c8 x21: 0000000000000011
x20: ffff800020977120 x19: ffff0001b45e35c0 x18: 1ffff0000412ee3e
x17: ffff8000155bd000 x16: ffff800008305074 x15: 0000000000000000
x14: 0000000000000002 x13: 0000000000000406 x12: 0000000000040000
x11: 000000000003ffff x10: ffff800026ac2000 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : ffff800008b2c82c x3 : ffff800008452e78
x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001
Call trace:
 __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:252 [inline]
 __cmpwait arch/arm64/include/asm/cmpxchg.h:278 [inline]
 csd_lock_wait kernel/smp.c:413 [inline]
 smp_call_function_many_cond+0x1b28/0x3270 kernel/smp.c:987
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1155
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1412
 invalidate_bdev+0x90/0xc0 block/bdev.c:85
 btrfs_get_bdev_and_sb+0x134/0x1a8 fs/btrfs/volumes.c:518
 btrfs_open_one_device fs/btrfs/volumes.c:611 [inline]
 open_fs_devices+0x1cc/0xcc4 fs/btrfs/volumes.c:1235
 btrfs_open_devices+0x118/0x188 fs/btrfs/volumes.c:1291
 btrfs_mount_root+0x490/0x7f8 fs/btrfs/super.c:1803
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
 vfs_get_tree+0x90/0x274 fs/super.c:1553
 fc_mount fs/namespace.c:1043 [inline]
 vfs_kern_mount+0xdc/0x178 fs/namespace.c:1073
 btrfs_mount+0x328/0x9b8 fs/btrfs/super.c:1891
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
 vfs_get_tree+0x90/0x274 fs/super.c:1553
 do_new_mount+0x25c/0x8c4 fs/namespace.c:3040
 path_mount+0x590/0xe58 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568
 __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+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581